20137348332 has 96 divisors (see below), whose sum is σ = 54545487360. Its totient is φ = 6412633920.

The previous prime is 20137348327. The next prime is 20137348381. The reversal of 20137348332 is 23384373102.

20137348332 is a `hidden beast` number, since 201 + 373 + 4 + 83 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2188782 + ... + 2197962.

It is an arithmetic number, because the mean of its divisors is an integer number (568182160).

Almost surely, 2^20137348332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20137348332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27272743680).

20137348332 is an abundant number, since it is smaller than the sum of its proper divisors (34408139028).

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

20137348332 is a wasteful number, since it uses less digits than its factorization.

20137348332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100 (or 10092 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 20137348332 in words is "twenty billion, one hundred thirty-seven million, three hundred forty-eight thousand, three hundred thirty-two".