20113213312000 has 176 divisors, whose sum is σ = 50544374781888. Its totient is φ = 7986553651200.

The previous prime is 20113213311977. The next prime is 20113213312069. The reversal of 20113213312000 is 21331231102.

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, 16962517 + ... + 18109483.

Almost surely, 2^{20113213312000} is an apocalyptic number.

20113213312000 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 20113213312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25272187390944).

20113213312000 is an abundant number, since it is smaller than the sum of its proper divisors (30431161469888).

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

20113213312000 is a wasteful number, since it uses less digits than its factorization.

20113213312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147139 (or 1147111 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20113213312000 its reverse (21331231102), we get a palindrome (20134544543102).

The spelling of 20113213312000 in words is "twenty trillion, one hundred thirteen billion, two hundred thirteen million, three hundred twelve thousand".