920313620 has 24 divisors (see below), whose sum is σ = 1944238464. Its totient is φ = 365919776.

The previous prime is 920313619. The next prime is 920313661. The reversal of 920313620 is 26313029.

It is a self number, because there is not a number n which added to its sum of digits gives 920313620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134432 + ... + 141111.

It is an arithmetic number, because the mean of its divisors is an integer number (81009936).

Almost surely, 2^920313620 is an apocalyptic number.

It is an amenable number.

920313620 is an abundant number, since it is smaller than the sum of its proper divisors (1023924844).

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

920313620 is a wasteful number, since it uses less digits than its factorization.

920313620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275719 (or 275717 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 920313620 is about 30336.6712082918. The cubic root of 920313620 is about 972.6993293545.

Adding to 920313620 its reverse (26313029), we get a palindrome (946626649).

The spelling of 920313620 in words is "nine hundred twenty million, three hundred thirteen thousand, six hundred twenty".