20486086446402 has 12 divisors (see below), whose sum is σ = 44386520633910. Its totient is φ = 6828695482128.

The previous prime is 20486086446341. The next prime is 20486086446409. The reversal of 20486086446402 is 20464468068402.

20486086446402 is a `hidden beast` number, since 2 + 0 + 4 + 86 + 0 + 86 + 446 + 40 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19484287638201 + 1001798808201 = 4414101^2 + 1000899^2 .

It is not an unprimeable number, because it can be changed into a prime (20486086446409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569057956827 + ... + 569057956862.

Almost surely, 2^{20486086446402} is an apocalyptic number.

20486086446402 is an abundant number, since it is smaller than the sum of its proper divisors (23900434187508).

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

20486086446402 is a wasteful number, since it uses less digits than its factorization.

20486086446402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138115913697 (or 1138115913694 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 54.

The spelling of 20486086446402 in words is "twenty trillion, four hundred eighty-six billion, eighty-six million, four hundred forty-six thousand, four hundred two".