20052537000 has 128 divisors (see below), whose sum is σ = 66244314240. Its totient is φ = 5032780800.

The previous prime is 20052536993. The next prime is 20052537007. The reversal of 20052537000 is 73525002.

It is an interprime number because it is at equal distance from previous prime (20052536993) and next prime (20052537007).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20052537007) 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, 145594 + ... + 247593.

It is an arithmetic number, because the mean of its divisors is an integer number (517533705).

Almost surely, 2^20052537000 is an apocalyptic number.

20052537000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20052537000 is an abundant number, since it is smaller than the sum of its proper divisors (46191777240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20052537000 is a wasteful number, since it uses less digits than its factorization.

20052537000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393228 (or 393214 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The spelling of 20052537000 in words is "twenty billion, fifty-two million, five hundred thirty-seven thousand".