20103138634482 has 78 divisors (see below), whose sum is σ = 45242436507933. Its totient is φ = 6699505386888.

The previous prime is 20103138634477. The next prime is 20103138634547. The reversal of 20103138634482 is 28443683130102.

20103138634482 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 3 + 1 + 3 + 8 + 634 + 4 + 8 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13026894899841 + 7076243734641 = 3609279^2 + 2660121^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3170421.

It is an unprimeable number.

It is a polite number, since it can be written in 38 ways as a sum of consecutive naturals, for example, 4622471644 + ... + 4622475992.

Almost surely, 2^{20103138634482} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20103138634482

20103138634482 is an abundant number, since it is smaller than the sum of its proper divisors (25139297873451).

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

20103138634482 is an frugal number, since it uses more digits than its factorization.

20103138634482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736 (or 4354 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 20103138634482 in words is "twenty trillion, one hundred three billion, one hundred thirty-eight million, six hundred thirty-four thousand, four hundred eighty-two".