20437476201 has 10 divisors (see below), whose sum is σ = 30530057162. Its totient is φ = 13624984080.

The previous prime is 20437476161. The next prime is 20437476221. The reversal of 20437476201 is 10267473402.

20437476201 is a `hidden beast` number, since 20 + 4 + 3 + 7 + 4 + 7 + 620 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20384986176 + 52490025 = 142776^2 + 7245^2 .

It is not a de Polignac number, because 20437476201 - 2²³ = 20429087593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20437476221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 126157180 + ... + 126157341.

Almost surely, 2^20437476201 is an apocalyptic number.

It is an amenable number.

20437476201 is a deficient number, since it is larger than the sum of its proper divisors (10092580961).

20437476201 is an equidigital number, since it uses as much as digits as its factorization.

20437476201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252314533 (or 252314524 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 20437476201 in words is "twenty billion, four hundred thirty-seven million, four hundred seventy-six thousand, two hundred one".