20151065652 has 48 divisors (see below), whose sum is σ = 48832620480. Its totient is φ = 6462035712.

The previous prime is 20151065611. The next prime is 20151065681. The reversal of 20151065652 is 25656015102.

It is a super-2 number, since 2×20151065652² (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 15 ways as a sum of consecutive naturals, for example, 215458 + ... + 294489.

It is an arithmetic number, because the mean of its divisors is an integer number (1017346260).

Almost surely, 2^20151065652 is an apocalyptic number.

It is an amenable number.

20151065652 is an abundant number, since it is smaller than the sum of its proper divisors (28681554828).

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

20151065652 is a wasteful number, since it uses less digits than its factorization.

20151065652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510080 (or 510078 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 20151065652 in words is "twenty billion, one hundred fifty-one million, sixty-five thousand, six hundred fifty-two".