20452106182986 has 12 divisors (see below), whose sum is σ = 44312896729842. Its totient is φ = 6817368727656.

The previous prime is 20452106182931. The next prime is 20452106182993. The reversal of 20452106182986 is 68928160125402.

20452106182986 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 2 + 10 + 618 + 2 + 9 + 8 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18135716546025 + 2316389636961 = 4258605^2 + 1521969^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568114060621 + ... + 568114060656.

Almost surely, 2^{20452106182986} is an apocalyptic number.

20452106182986 is an abundant number, since it is smaller than the sum of its proper divisors (23860790546856).

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

20452106182986 is a wasteful number, since it uses less digits than its factorization.

20452106182986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136228121285 (or 1136228121282 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 20452106182986 in words is "twenty trillion, four hundred fifty-two billion, one hundred six million, one hundred eighty-two thousand, nine hundred eighty-six".