20473455120 has 80 divisors (see below), whose sum is σ = 63519059520. Its totient is φ = 5455171072.

The previous prime is 20473455019. The next prime is 20473455203. The reversal of 20473455120 is 2155437402.

It is a tau number, because it is divible by the number of its divisors (80).

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, 268282 + ... + 336038.

It is an arithmetic number, because the mean of its divisors is an integer number (793988244).

Almost surely, 2^20473455120 is an apocalyptic number.

20473455120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20473455120 is an abundant number, since it is smaller than the sum of its proper divisors (43045604400).

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

20473455120 is a wasteful number, since it uses less digits than its factorization.

20473455120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69032 (or 69026 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 20473455120 in words is "twenty billion, four hundred seventy-three million, four hundred fifty-five thousand, one hundred twenty".