20040832537 has 32 divisors (see below), whose sum is σ = 22586425344. Its totient is φ = 17628710400.

The previous prime is 20040832531. The next prime is 20040832543. The reversal of 20040832537 is 73523804002.

It is an interprime number because it is at equal distance from previous prime (20040832531) and next prime (20040832543).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20040832537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040832531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9620098 + ... + 9622180.

It is an arithmetic number, because the mean of its divisors is an integer number (705825792).

Almost surely, 2^20040832537 is an apocalyptic number.

It is an amenable number.

20040832537 is a deficient number, since it is larger than the sum of its proper divisors (2545592807).

20040832537 is a wasteful number, since it uses less digits than its factorization.

20040832537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20040832537 in words is "twenty billion, forty million, eight hundred thirty-two thousand, five hundred thirty-seven".