20137245260 has 48 divisors (see below), whose sum is σ = 46232901792. Its totient is φ = 7306713600.

The previous prime is 20137245241. The next prime is 20137245277. The reversal of 20137245260 is 6254273102.

It is a super-2 number, since 2×20137245260² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2144 + ... + 200696.

It is an arithmetic number, because the mean of its divisors is an integer number (963185454).

Almost surely, 2^20137245260 is an apocalyptic number.

20137245260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20137245260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23116450896).

20137245260 is an abundant number, since it is smaller than the sum of its proper divisors (26095656532).

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

20137245260 is a wasteful number, since it uses less digits than its factorization.

20137245260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199034 (or 199032 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20137245260 in words is "twenty billion, one hundred thirty-seven million, two hundred forty-five thousand, two hundred sixty".