20057049600 has 960 divisors, whose sum is σ = 81834762240. Its totient is φ = 4231987200.

The previous prime is 20057049581. The next prime is 20057049637. The reversal of 20057049600 is 694075002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 241651159 + ... + 241651241.

It is an arithmetic number, because the mean of its divisors is an integer number (85244544).

Almost surely, 2^20057049600 is an apocalyptic number.

20057049600 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 20057049600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40917381120).

20057049600 is an abundant number, since it is smaller than the sum of its proper divisors (61777712640).

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

20057049600 is a wasteful number, since it uses less digits than its factorization.

20057049600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 20057049600 in words is "twenty billion, fifty-seven million, forty-nine thousand, six hundred".