20321829232 has 40 divisors (see below), whose sum is σ = 39486535200. Its totient is φ = 10131809280.

The previous prime is 20321829191. The next prime is 20321829277. The reversal of 20321829232 is 23292812302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14525269 + ... + 14526667.

It is an arithmetic number, because the mean of its divisors is an integer number (987163380).

Almost surely, 2^20321829232 is an apocalyptic number.

It is an amenable number.

20321829232 is a deficient number, since it is larger than the sum of its proper divisors (19164705968).

20321829232 is a wasteful number, since it uses less digits than its factorization.

20321829232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3355 counting only the distinct ones).

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

The spelling of 20321829232 in words is "twenty billion, three hundred twenty-one million, eight hundred twenty-nine thousand, two hundred thirty-two".