20515141532 has 12 divisors (see below), whose sum is σ = 36121753416. Its totient is φ = 10194640560.

The previous prime is 20515141523. The next prime is 20515141573. The reversal of 20515141532 is 23514151502.

It is a junction number, because it is equal to n+sod(n) for n = 20515141495 and 20515141504.

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, 15731819 + ... + 15733122.

It is an arithmetic number, because the mean of its divisors is an integer number (3010146118).

Almost surely, 2^20515141532 is an apocalyptic number.

It is an amenable number.

20515141532 is a deficient number, since it is larger than the sum of its proper divisors (15606611884).

20515141532 is a wasteful number, since it uses less digits than its factorization.

20515141532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31465108 (or 31465106 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 20515141532 in words is "twenty billion, five hundred fifteen million, one hundred forty-one thousand, five hundred thirty-two".