20672681135106 has 128 divisors (see below), whose sum is σ = 55917858318336. Its totient is φ = 4920308052480.

The previous prime is 20672681135021. The next prime is 20672681135129. The reversal of 20672681135106 is 60153118627602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11739240 + ... + 13384883.

It is an arithmetic number, because the mean of its divisors is an integer number (436858268112).

Almost surely, 2^{20672681135106} is an apocalyptic number.

20672681135106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20672681135106 is an abundant number, since it is smaller than the sum of its proper divisors (35245177183230).

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

20672681135106 is a wasteful number, since it uses less digits than its factorization.

20672681135106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25124296.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 20672681135106 in words is "twenty trillion, six hundred seventy-two billion, six hundred eighty-one million, one hundred thirty-five thousand, one hundred six".