Search a number
-
+
20020022211 = 375039971901
BaseRepresentation
bin10010101001010010…
…010100101111000011
31220200020012111120010
4102221102110233003
5312000111202321
613110322320003
71306054244460
oct225122245703
956606174503
1020020022211
118543865002
123a687b9003
131b708981b7
14d7cc18667
157c28c3676
hex4a9494bc3

20020022211 has 32 divisors (see below), whose sum is σ = 30614105088. Its totient is φ = 11399817600.

The previous prime is 20020022203. The next prime is 20020022219. The reversal of 20020022211 is 11222002002.

It is an interprime number because it is at equal distance from previous prime (20020022203) and next prime (20020022219).

It is not a de Polignac number, because 20020022211 - 23 = 20020022203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020022219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10530361 + ... + 10532261.

It is an arithmetic number, because the mean of its divisors is an integer number (956690784).

Almost surely, 220020022211 is an apocalyptic number.

20020022211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20020022211 is a deficient number, since it is larger than the sum of its proper divisors (10594082877).

20020022211 is a wasteful number, since it uses less digits than its factorization.

20020022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020022211 its reverse (11222002002), we get a palindrome (31242024213).

The spelling of 20020022211 in words is "twenty billion, twenty million, twenty-two thousand, two hundred eleven".

Divisors: 1 3 7 21 503 997 1509 1901 2991 3521 5703 6979 10563 13307 20937 39921 501491 956203 1504473 1895297 2868609 3510437 5685891 6693421 10531311 13267079 20080263 39801237 953334391 2860003173 6673340737 20020022211