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20122262232 = 233838427593
BaseRepresentation
bin10010101111011000…
…010101101011011000
31220221100120211111120
4102233120111223120
5312202244342412
613124413525240
71311435256362
oct225730255330
956840524446
1020122262232
118596546496
123a96aa3820
131b88b14457
14d8c62dd32
157cb86bb8c
hex4af615ad8

20122262232 has 16 divisors (see below), whose sum is σ = 50305655640. Its totient is φ = 6707420736.

The previous prime is 20122262213. The next prime is 20122262261. The reversal of 20122262232 is 23226222102.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 838427593 = 20122262232 / (2 + 0 + 1 + 2 + 2 + 2 + 6 + 2 + 2 + 3 + 2).

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, 419213773 + ... + 419213820.

Almost surely, 220122262232 is an apocalyptic number.

It is an amenable number.

20122262232 is an abundant number, since it is smaller than the sum of its proper divisors (30183393408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122262232 is a wasteful number, since it uses less digits than its factorization.

20122262232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838427602 (or 838427598 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20122262232 its reverse (23226222102), we get a palindrome (43348484334).

The spelling of 20122262232 in words is "twenty billion, one hundred twenty-two million, two hundred sixty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 838427593 1676855186 2515282779 3353710372 5030565558 6707420744 10061131116 20122262232