20937810201 has 48 divisors (see below), whose sum is σ = 36027866880. Its totient is φ = 10692383520.

The previous prime is 20937810199. The next prime is 20937810211. The reversal of 20937810201 is 10201873902.

It is not a de Polignac number, because 20937810201 - 2¹ = 20937810199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20937810211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14331 + ... + 205136.

It is an arithmetic number, because the mean of its divisors is an integer number (750580560).

Almost surely, 2^20937810201 is an apocalyptic number.

20937810201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20937810201 is a deficient number, since it is larger than the sum of its proper divisors (15090056679).

20937810201 is a wasteful number, since it uses less digits than its factorization.

20937810201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219554 (or 219547 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

It can be divided in two parts, 20937 and 810201, that added together give a palindrome (831138).

The spelling of 20937810201 in words is "twenty billion, nine hundred thirty-seven million, eight hundred ten thousand, two hundred one".