20374623360 has 960 divisors, whose sum is σ = 91299451320. Its totient is φ = 4291854336.

The previous prime is 20374623349. The next prime is 20374623361. The reversal of 20374623360 is 6332647302.

20374623360 is a `hidden beast` number, since 20 + 3 + 7 + 4 + 623 + 3 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6584348736 + 13790274624 = 81144^2 + 117432^2 .

It is a tau number, because it is divible by the number of its divisors (960).

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

It is not an unprimeable number, because it can be changed into a prime (20374623361) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 33021772 + ... + 33022388.

Almost surely, 2^20374623360 is an apocalyptic number.

20374623360 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 20374623360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45649725660).

20374623360 is an abundant number, since it is smaller than the sum of its proper divisors (70924827960).

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

20374623360 is a wasteful number, since it uses less digits than its factorization.

20374623360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

The spelling of 20374623360 in words is "twenty billion, three hundred seventy-four million, six hundred twenty-three thousand, three hundred sixty".