20057578614 has 16 divisors (see below), whose sum is σ = 44572397040. Its totient is φ = 6685859520.

The previous prime is 20057578573. The next prime is 20057578633. The reversal of 20057578614 is 41687575002.

20057578614 is a `hidden beast` number, since 2 + 0 + 0 + 575 + 78 + 6 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20057578614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185718267 + ... + 185718374.

It is an arithmetic number, because the mean of its divisors is an integer number (2785774815).

Almost surely, 2^20057578614 is an apocalyptic number.

20057578614 is an abundant number, since it is smaller than the sum of its proper divisors (24514818426).

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

20057578614 is a wasteful number, since it uses less digits than its factorization.

20057578614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371436652 (or 371436646 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 20057578614 in words is "twenty billion, fifty-seven million, five hundred seventy-eight thousand, six hundred fourteen".