20472111931200 has 672 divisors, whose sum is σ = 70777649940480. Its totient is φ = 5174930227200.

The previous prime is 20472111931181. The next prime is 20472111931217. The reversal of 20472111931200 is 213911127402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1285686439 + ... + 1285702361.

It is an arithmetic number, because the mean of its divisors is an integer number (105323883840).

Almost surely, 2^{20472111931200} is an apocalyptic number.

20472111931200 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 20472111931200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35388824970240).

20472111931200 is an abundant number, since it is smaller than the sum of its proper divisors (50305538009280).

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

20472111931200 is a wasteful number, since it uses less digits than its factorization.

20472111931200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175 (or 16160 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 20472111931200 in words is "twenty trillion, four hundred seventy-two billion, one hundred eleven million, nine hundred thirty-one thousand, two hundred".