20504829120 has 112 divisors (see below), whose sum is σ = 66488145408. Its totient is φ = 5351603200.

The previous prime is 20504829109. The next prime is 20504829151. The reversal of 20504829120 is 2192840502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182106 + ... + 272345.

Almost surely, 2^20504829120 is an apocalyptic number.

20504829120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20504829120 is an abundant number, since it is smaller than the sum of its proper divisors (45983316288).

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

20504829120 is a wasteful number, since it uses less digits than its factorization.

20504829120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454518 (or 454508 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 20504829120 in words is "twenty billion, five hundred four million, eight hundred twenty-nine thousand, one hundred twenty".