820926132 has 48 divisors (see below), whose sum is σ = 2084144832. Its totient is φ = 249984000.

The previous prime is 820926101. The next prime is 820926137. The reversal of 820926132 is 231629028.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 820926093 and 820926102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820926137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11994 + ... + 42257.

It is an arithmetic number, because the mean of its divisors is an integer number (43419684).

Almost surely, 2^820926132 is an apocalyptic number.

It is an amenable number.

820926132 is an abundant number, since it is smaller than the sum of its proper divisors (1263218700).

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

820926132 is a wasteful number, since it uses less digits than its factorization.

820926132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54368 (or 54366 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 820926132 is about 28651.8085293058. The cubic root of 820926132 is about 936.3424079632.

The spelling of 820926132 in words is "eight hundred twenty million, nine hundred twenty-six thousand, one hundred thirty-two".