920513232 has 120 divisors (see below), whose sum is σ = 2662247016. Its totient is φ = 296690688.

The previous prime is 920513213. The next prime is 920513249. The reversal of 920513232 is 232315029.

It can be written as a sum of positive squares in 4 ways, for example, as 753173136 + 167340096 = 27444^2 + 12936^2 .

It is a super-2 number, since 2×920513232² = 1694689220574171648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 920513196 and 920513205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049178 + ... + 1050054.

Almost surely, 2^920513232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920513232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331123508).

920513232 is an abundant number, since it is smaller than the sum of its proper divisors (1741733784).

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

920513232 is a wasteful number, since it uses less digits than its factorization.

920513232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 920513232 is about 30339.9609755847. The cubic root of 920513232 is about 972.7696490145.

The spelling of 920513232 in words is "nine hundred twenty million, five hundred thirteen thousand, two hundred thirty-two".