20937023328 has 192 divisors, whose sum is σ = 60693312960. Its totient is φ = 6317236224.

The previous prime is 20937023323. The next prime is 20937023411. The reversal of 20937023328 is 82332073902.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20937023323) 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, 11177400 + ... + 11179272.

It is an arithmetic number, because the mean of its divisors is an integer number (316111005).

Almost surely, 2^20937023328 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 20937023328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30346656480).

20937023328 is an abundant number, since it is smaller than the sum of its proper divisors (39756289632).

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

20937023328 is a wasteful number, since it uses less digits than its factorization.

20937023328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 20937023328 in words is "twenty billion, nine hundred thirty-seven million, twenty-three thousand, three hundred twenty-eight".