920651024 has 10 divisors (see below), whose sum is σ = 1783761390. Its totient is φ = 460325504.

The previous prime is 920650981. The next prime is 920651041. The reversal of 920651024 is 420156029.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 920515600 + 135424 = 30340^2 + 368^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28770329 + ... + 28770360.

It is an arithmetic number, because the mean of its divisors is an integer number (178376139).

Almost surely, 2^920651024 is an apocalyptic number.

It is an amenable number.

920651024 is a deficient number, since it is larger than the sum of its proper divisors (863110366).

920651024 is a wasteful number, since it uses less digits than its factorization.

920651024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57540697 (or 57540691 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 920651024 is about 30342.2316911594. The cubic root of 920651024 is about 972.8181846876.

The spelling of 920651024 in words is "nine hundred twenty million, six hundred fifty-one thousand, twenty-four".