20152155332 has 12 divisors (see below), whose sum is σ = 36482350380. Its totient is φ = 9728626656.

The previous prime is 20152155329. The next prime is 20152155343. The reversal of 20152155332 is 23355125102.

It can be written as a sum of positive squares in 2 ways, for example, as 10852638976 + 9299516356 = 104176^2 + 96434^2 .

It is a super-2 number, since 2×20152155332² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 20152155295 and 20152155304.

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, 86862623 + ... + 86862854.

It is an arithmetic number, because the mean of its divisors is an integer number (3040195865).

Almost surely, 2^20152155332 is an apocalyptic number.

It is an amenable number.

20152155332 is a deficient number, since it is larger than the sum of its proper divisors (16330195048).

20152155332 is a wasteful number, since it uses less digits than its factorization.

20152155332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173725510 (or 173725508 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 20152155332 in words is "twenty billion, one hundred fifty-two million, one hundred fifty-five thousand, three hundred thirty-two".