820315465024 has 56 divisors (see below), whose sum is σ = 1800807875136. Its totient is φ = 367618944000.

The previous prime is 820315465007. The next prime is 820315465027. The reversal of 820315465024 is 420564513028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820315465027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8155797 + ... + 8255764.

Almost surely, 2^820315465024 is an apocalyptic number.

It is an amenable number.

820315465024 is an abundant number, since it is smaller than the sum of its proper divisors (980492410112).

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

820315465024 is a wasteful number, since it uses less digits than its factorization.

820315465024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411655 (or 16411645 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 820315465024 in words is "eight hundred twenty billion, three hundred fifteen million, four hundred sixty-five thousand, twenty-four".