104020120000 has 70 divisors (see below), whose sum is σ = 257936190248. Its totient is φ = 41608032000.

The previous prime is 104020119991. The next prime is 104020120049. The reversal of 104020120000 is 21020401.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1260252 + ... + 1340251.

Almost surely, 2^104020120000 is an apocalyptic number.

104020120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104020120000 is an abundant number, since it is smaller than the sum of its proper divisors (153916070248).

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

104020120000 is an frugal number, since it uses more digits than its factorization.

104020120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600535 (or 2600510 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 104020120000 its reverse (21020401), we get a palindrome (104041140401).

The spelling of 104020120000 in words is "one hundred four billion, twenty million, one hundred twenty thousand".