20374488576 has 840 divisors, whose sum is σ = 73662997320. Its totient is φ = 5589762048.

The previous prime is 20374488571. The next prime is 20374488583. The reversal of 20374488576 is 67588447302.

20374488576 = 8959² + 8960² + ... + 9205².

20374488576 is a `hidden beast` number, since 20 + 3 + 7 + 4 + 48 + 8 + 576 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20374488571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1072341495 + ... + 1072341513.

Almost surely, 2^20374488576 is an apocalyptic number.

20374488576 is a gapful number since it is divisible by the number (26) 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 20374488576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36831498660).

20374488576 is an abundant number, since it is smaller than the sum of its proper divisors (53288508744).

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

20374488576 is an equidigital number, since it uses as much as digits as its factorization.

20374488576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 20374488576 in words is "twenty billion, three hundred seventy-four million, four hundred eighty-eight thousand, five hundred seventy-six".