920552880 has 80 divisors (see below), whose sum is σ = 3073240800. Its totient is φ = 226596864.

The previous prime is 920552861. The next prime is 920552903. The reversal of 920552880 is 88255029.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144405 + ... + 150644.

It is an arithmetic number, because the mean of its divisors is an integer number (38415510).

Almost surely, 2^920552880 is an apocalyptic number.

It is an amenable number.

920552880 is an abundant number, since it is smaller than the sum of its proper divisors (2152687920).

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

920552880 is a wasteful number, since it uses less digits than its factorization.

920552880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295078 (or 295072 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 920552880 is about 30340.6143642478. The cubic root of 920552880 is about 972.7836150702.

The spelling of 920552880 in words is "nine hundred twenty million, five hundred fifty-two thousand, eight hundred eighty".