20021113032000 has 224 divisors, whose sum is σ = 68389362961920. Its totient is φ = 5154861107200.

The previous prime is 20021113031987. The next prime is 20021113032043. The reversal of 20021113032000 is 23031112002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13686984 + ... + 15078983.

It is an arithmetic number, because the mean of its divisors is an integer number (305309656080).

Almost surely, 2^{20021113032000} is an apocalyptic number.

20021113032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021113032000 is an abundant number, since it is smaller than the sum of its proper divisors (48368249929920).

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

20021113032000 is a wasteful number, since it uses less digits than its factorization.

20021113032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28766026 (or 28766006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20021113032000 its reverse (23031112002), we get a palindrome (20044144144002).

The spelling of 20021113032000 in words is "twenty trillion, twenty-one billion, one hundred thirteen million, thirty-two thousand".