20105112051002 has 16 divisors (see below), whose sum is σ = 34630815016800. Its totient is φ = 8657703753840.

The previous prime is 20105112050963. The next prime is 20105112051077. The reversal of 20105112051002 is 20015021150102.

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, 24049176677 + ... + 24049177512.

It is an arithmetic number, because the mean of its divisors is an integer number (2164425938550).

Almost surely, 2^{20105112051002} is an apocalyptic number.

20105112051002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20105112051002 is a deficient number, since it is larger than the sum of its proper divisors (14525702965798).

20105112051002 is a wasteful number, since it uses less digits than its factorization.

20105112051002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48098354221.

The product of its (nonzero) digits is 200, while the sum is 20.

The spelling of 20105112051002 in words is "twenty trillion, one hundred five billion, one hundred twelve million, fifty-one thousand, two".