215020462532 has 24 divisors (see below), whose sum is σ = 389393621400. Its totient is φ = 103767664896.

The previous prime is 215020462529. The next prime is 215020462577. The reversal of 215020462532 is 235264020512.

It can be written as a sum of positive squares in 4 ways, for example, as 26537713216 + 188482749316 = 162904^2 + 434146^2 .

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, 28694 + ... + 656402.

It is an arithmetic number, because the mean of its divisors is an integer number (16224734225).

Almost surely, 2^215020462532 is an apocalyptic number.

It is an amenable number.

215020462532 is a deficient number, since it is larger than the sum of its proper divisors (174373158868).

215020462532 is a wasteful number, since it uses less digits than its factorization.

215020462532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630695 (or 630693 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 215020462532 in words is "two hundred fifteen billion, twenty million, four hundred sixty-two thousand, five hundred thirty-two".