820373496 has 32 divisors (see below), whose sum is σ = 2055449040. Its totient is φ = 272855808.

The previous prime is 820373461. The next prime is 820373497. The reversal of 820373496 is 694373028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820373497) 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, 26431 + ... + 48366.

Almost surely, 2^820373496 is an apocalyptic number.

It is an amenable number.

820373496 is an abundant number, since it is smaller than the sum of its proper divisors (1235075544).

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

820373496 is a wasteful number, since it uses less digits than its factorization.

820373496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75263 (or 75259 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 820373496 is about 28642.1629071549. The cubic root of 820373496 is about 936.1322499230.

The spelling of 820373496 in words is "eight hundred twenty million, three hundred seventy-three thousand, four hundred ninety-six".