20057642037 has 32 divisors (see below), whose sum is σ = 30308096000. Its totient is φ = 13107322800.

The previous prime is 20057642023. The next prime is 20057642051. The reversal of 20057642037 is 73024675002.

It is a happy number.

20057642037 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 7 + 642 + 0 + 3 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (20057642023) and next prime (20057642051).

It is not a de Polignac number, because 20057642037 - 2²³ = 20049253429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20057641992 and 20057642010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057642237) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 262662 + ... + 330312.

It is an arithmetic number, because the mean of its divisors is an integer number (947128000).

Almost surely, 2^20057642037 is an apocalyptic number.

20057642037 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20057642037 is a deficient number, since it is larger than the sum of its proper divisors (10250453963).

20057642037 is a wasteful number, since it uses less digits than its factorization.

20057642037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67878 (or 67872 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 20057642037 in words is "twenty billion, fifty-seven million, six hundred forty-two thousand, thirty-seven".