32513893820 has 12 divisors (see below), whose sum is σ = 68279177064. Its totient is φ = 13005557520.

The previous prime is 32513893777. The next prime is 32513893829. The reversal of 32513893820 is 2839831523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32513893829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812847326 + ... + 812847365.

It is an arithmetic number, because the mean of its divisors is an integer number (5689931422).

Almost surely, 2^32513893820 is an apocalyptic number.

It is an amenable number.

32513893820 is an abundant number, since it is smaller than the sum of its proper divisors (35765283244).

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

32513893820 is a wasteful number, since it uses less digits than its factorization.

32513893820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625694700 (or 1625694698 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 32513893820 in words is "thirty-two billion, five hundred thirteen million, eight hundred ninety-three thousand, eight hundred twenty".