20102132132 has 24 divisors (see below), whose sum is σ = 35450001216. Its totient is φ = 9973754208.

The previous prime is 20102132119. The next prime is 20102132143. The reversal of 20102132132 is 23123120102.

It is a self number, because there is not a number n which added to its sum of digits gives 20102132132.

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, 398018 + ... + 445670.

It is an arithmetic number, because the mean of its divisors is an integer number (1477083384).

Almost surely, 2^20102132132 is an apocalyptic number.

It is an amenable number.

20102132132 is a deficient number, since it is larger than the sum of its proper divisors (15347869084).

20102132132 is a wasteful number, since it uses less digits than its factorization.

20102132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48467 (or 48465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20102132132 its reverse (23123120102), we get a palindrome (43225252234).

The spelling of 20102132132 in words is "twenty billion, one hundred two million, one hundred thirty-two thousand, one hundred thirty-two".