920261644 has 12 divisors (see below), whose sum is σ = 1610686168. Its totient is φ = 460065600.

The previous prime is 920261627. The next prime is 920261647. The reversal of 920261644 is 446162029.

It is not an unprimeable number, because it can be changed into a prime (920261647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30139 + ... + 52429.

Almost surely, 2^920261644 is an apocalyptic number.

It is an amenable number.

920261644 is a deficient number, since it is larger than the sum of its proper divisors (690424524).

920261644 is a wasteful number, since it uses less digits than its factorization.

920261644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32616 (or 32614 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 920261644 is about 30335.8145432095. The cubic root of 920261644 is about 972.6810174910.

The spelling of 920261644 in words is "nine hundred twenty million, two hundred sixty-one thousand, six hundred forty-four".