20000020000120 has 32 divisors (see below), whose sum is σ = 45000181670400. Its totient is φ = 7999983703168.

The previous prime is 20000020000063. The next prime is 20000020000151. The reversal of 20000020000120 is 2100002000002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18789546 + ... + 19825414.

It is an arithmetic number, because the mean of its divisors is an integer number (1406255677200).

Almost surely, 2^{20000020000120} is an apocalyptic number.

20000020000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000020000120 is an abundant number, since it is smaller than the sum of its proper divisors (25000161670280).

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

20000020000120 is a wasteful number, since it uses less digits than its factorization.

20000020000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518567 (or 1518563 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20000020000120 its reverse (2100002000002), we get a palindrome (22100022000122).

The spelling of 20000020000120 in words is "twenty trillion, twenty million, one hundred twenty", and thus it is an aban number.