20050503537 has 32 divisors (see below), whose sum is σ = 28199295360. Its totient is φ = 12658291200.

The previous prime is 20050503533. The next prime is 20050503563. The reversal of 20050503537 is 73530505002.

It is not a de Polignac number, because 20050503537 - 2² = 20050503533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20050503533) 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, 646293 + ... + 676605.

It is an arithmetic number, because the mean of its divisors is an integer number (881227980).

Almost surely, 2^20050503537 is an apocalyptic number.

It is an amenable number.

20050503537 is a deficient number, since it is larger than the sum of its proper divisors (8148791823).

20050503537 is a wasteful number, since it uses less digits than its factorization.

20050503537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30513.

The product of its (nonzero) digits is 15750, while the sum is 30.

The spelling of 20050503537 in words is "twenty billion, fifty million, five hundred three thousand, five hundred thirty-seven".