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20400030214 = 220035092369
BaseRepresentation
bin10010111111111011…
…111100001000000110
31221122201020220112121
4102333323330020012
5313234401431324
613212135240154
71321350252514
oct227773741006
957581226477
1020400030214
118719315703
123b53b1905a
131c01529bc5
14db74974b4
157e5e385e4
hex4bfefc206

20400030214 has 8 divisors (see below), whose sum is σ = 30615328440. Its totient is φ = 10194920736.

The previous prime is 20400030191. The next prime is 20400030239. The reversal of 20400030214 is 41203000402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204000302142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542179 + ... + 2550190.

It is an arithmetic number, because the mean of its divisors is an integer number (3826916055).

Almost surely, 220400030214 is an apocalyptic number.

20400030214 is a deficient number, since it is larger than the sum of its proper divisors (10215298226).

20400030214 is a wasteful number, since it uses less digits than its factorization.

20400030214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094374.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20400030214 its reverse (41203000402), we get a palindrome (61603030616).

The spelling of 20400030214 in words is "twenty billion, four hundred million, thirty thousand, two hundred fourteen".

Divisors: 1 2 2003 4006 5092369 10184738 10200015107 20400030214