20057862 has 16 divisors (see below), whose sum is σ = 43762752. Its totient is φ = 6078120.

The previous prime is 20057833. The next prime is 20057887. The reversal of 20057862 is 26875002.

It is a super-2 number, since 2×20057862² = 804635656022088, which contains 22 as substring.

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, 151888 + ... + 152019.

It is an arithmetic number, because the mean of its divisors is an integer number (2735172).

Almost surely, 2^20057862 is an apocalyptic number.

20057862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20057862 is an abundant number, since it is smaller than the sum of its proper divisors (23704890).

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

20057862 is a wasteful number, since it uses less digits than its factorization.

20057862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303923.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 20057862 is about 4478.6004510338. The cubic root of 20057862 is about 271.7032790097.

The spelling of 20057862 in words is "twenty million, fifty-seven thousand, eight hundred sixty-two".