20152102532 has 24 divisors (see below), whose sum is σ = 37482673536. Its totient is φ = 9447275648.

The previous prime is 20152102517. The next prime is 20152102541. The reversal of 20152102532 is 23520125102.

It is a super-2 number, since 2×20152102532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152102498 and 20152102507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545528 + ... + 581295.

It is an arithmetic number, because the mean of its divisors is an integer number (1561778064).

Almost surely, 2^20152102532 is an apocalyptic number.

It is an amenable number.

20152102532 is a deficient number, since it is larger than the sum of its proper divisors (17330571004).

20152102532 is a wasteful number, since it uses less digits than its factorization.

20152102532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127107 (or 1127105 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20152102532 its reverse (23520125102), we get a palindrome (43672227634).

The spelling of 20152102532 in words is "twenty billion, one hundred fifty-two million, one hundred two thousand, five hundred thirty-two".