20037147622939 has 4 divisors (see below), whose sum is σ = 20109483896224. Its totient is φ = 19964811349656.

The previous prime is 20037147622907. The next prime is 20037147622957. The reversal of 20037147622939 is 93922674173002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20037147622939 - 2⁵ = 20037147622907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20037147622939.

It is not an unprimeable number, because it can be changed into a prime (20037147602939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36168136227 + ... + 36168136780.

It is an arithmetic number, because the mean of its divisors is an integer number (5027370974056).

Almost surely, 2^{20037147622939} is an apocalyptic number.

20037147622939 is a deficient number, since it is larger than the sum of its proper divisors (72336273285).

20037147622939 is an equidigital number, since it uses as much as digits as its factorization.

20037147622939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72336273284.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 20037147622939 in words is "twenty trillion, thirty-seven billion, one hundred forty-seven million, six hundred twenty-two thousand, nine hundred thirty-nine".