20056473600 has 192 divisors, whose sum is σ = 66327187080. Its totient is φ = 5347737600.

The previous prime is 20056473599. The next prime is 20056473611. The reversal of 20056473600 is 637465002.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2453520 + ... + 2461680.

Almost surely, 2^20056473600 is an apocalyptic number.

20056473600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20056473600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33163593540).

20056473600 is an abundant number, since it is smaller than the sum of its proper divisors (46270713480).

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

20056473600 is an frugal number, since it uses more digits than its factorization.

20056473600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204 (or 8171 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20056473600 in words is "twenty billion, fifty-six million, four hundred seventy-three thousand, six hundred".