920285620 has 12 divisors (see below), whose sum is σ = 1932599844. Its totient is φ = 368114240.

The previous prime is 920285617. The next prime is 920285629. The reversal of 920285620 is 26582029.

It can be written as a sum of positive squares in 2 ways, for example, as 233111824 + 687173796 = 15268^2 + 26214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920285629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23007121 + ... + 23007160.

It is an arithmetic number, because the mean of its divisors is an integer number (161049987).

Almost surely, 2^920285620 is an apocalyptic number.

It is an amenable number.

920285620 is an abundant number, since it is smaller than the sum of its proper divisors (1012314224).

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

920285620 is a wasteful number, since it uses less digits than its factorization.

920285620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46014290 (or 46014288 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 920285620 is about 30336.2097171021. The cubic root of 920285620 is about 972.6894646530.

The spelling of 920285620 in words is "nine hundred twenty million, two hundred eighty-five thousand, six hundred twenty".