20200012320120 has 128 divisors (see below), whose sum is σ = 62085201675840. Its totient is φ = 5254685429760.

The previous prime is 20200012320071. The next prime is 20200012320143. The reversal of 20200012320120 is 2102321000202.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20200012320120.

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, 43522722 + ... + 43984398.

Almost surely, 2^{20200012320120} is an apocalyptic number.

20200012320120 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 20200012320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31042600837920).

20200012320120 is an abundant number, since it is smaller than the sum of its proper divisors (41885189355720).

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

20200012320120 is a wasteful number, since it uses less digits than its factorization.

20200012320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470625 (or 470621 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20200012320120 its reverse (2102321000202), we get a palindrome (22302333320322).

The spelling of 20200012320120 in words is "twenty trillion, two hundred billion, twelve million, three hundred twenty thousand, one hundred twenty".