964553020 has 24 divisors (see below), whose sum is σ = 2027675664. Its totient is φ = 385418496.

The previous prime is 964553011. The next prime is 964553027. The reversal of 964553020 is 20355469.

It is a super-2 number, since 2×964553020² = 1860725056782240800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964553027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142 + ... + 44221.

It is an arithmetic number, because the mean of its divisors is an integer number (84486486).

Almost surely, 2^964553020 is an apocalyptic number.

It is an amenable number.

964553020 is an abundant number, since it is smaller than the sum of its proper divisors (1063122644).

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

964553020 is a wasteful number, since it uses less digits than its factorization.

964553020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50349 (or 50347 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 964553020 is about 31057.2539030739. The cubic root of 964553020 is about 988.0419141687.

The spelling of 964553020 in words is "nine hundred sixty-four million, five hundred fifty-three thousand, twenty".