20057694 has 16 divisors (see below), whose sum is σ = 41048832. Its totient is φ = 6530328.

The previous prime is 20057683. The next prime is 20057717. The reversal of 20057694 is 49675002.

It is a super-2 number, since 2×20057694² = 804622177195272, which contains 22 as substring.

It is a Curzon number.

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, 38614 + ... + 39129.

It is an arithmetic number, because the mean of its divisors is an integer number (2565552).

Almost surely, 2^20057694 is an apocalyptic number.

20057694 is an abundant number, since it is smaller than the sum of its proper divisors (20991138).

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

20057694 is a wasteful number, since it uses less digits than its factorization.

20057694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77791.

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

The square root of 20057694 is about 4478.5816951352. The cubic root of 20057694 is about 271.7025204330.

The spelling of 20057694 in words is "twenty million, fifty-seven thousand, six hundred ninety-four".