39900020201 has 12 divisors (see below), whose sum is σ = 41725144020. Its totient is φ = 38151590400.

The previous prime is 39900020189. The next prime is 39900020219. The reversal of 39900020201 is 10202000993.

It can be written as a sum of positive squares in 2 ways, for example, as 31486728025 + 8413292176 = 177445^2 + 91724^2 .

It is not a de Polignac number, because 39900020201 - 2¹⁴ = 39900003817 is a prime.

It is a super-2 number, since 2×39900020201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39900020261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1664501 + ... + 1688301.

It is an arithmetic number, because the mean of its divisors is an integer number (3477095335).

Almost surely, 2^39900020201 is an apocalyptic number.

It is an amenable number.

39900020201 is a deficient number, since it is larger than the sum of its proper divisors (1825123819).

39900020201 is a wasteful number, since it uses less digits than its factorization.

39900020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27016 (or 26993 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 39900020201 in words is "thirty-nine billion, nine hundred million, twenty thousand, two hundred one".