20105332351131 has 8 divisors (see below), whose sum is σ = 27671855279104. Its totient is φ = 12971182161960.

The previous prime is 20105332351127. The next prime is 20105332351187. The reversal of 20105332351131 is 13115323350102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20105332351131 - 2² = 20105332351127 is a prime.

It is a super-2 number, since 2×20105332351131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20105332351121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108093184591 + ... + 108093184776.

It is an arithmetic number, because the mean of its divisors is an integer number (3458981909888).

Almost surely, 2^{20105332351131} is an apocalyptic number.

20105332351131 is a deficient number, since it is larger than the sum of its proper divisors (7566522927973).

20105332351131 is a wasteful number, since it uses less digits than its factorization.

20105332351131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216186369401.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 20105332351131 in words is "twenty trillion, one hundred five billion, three hundred thirty-two million, three hundred fifty-one thousand, one hundred thirty-one".