20058864 has 40 divisors (see below), whose sum is σ = 59222400. Its totient is φ = 5731008.

The previous prime is 20058853. The next prime is 20058869. The reversal of 20058864 is 46885002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29514 + ... + 30185.

It is an arithmetic number, because the mean of its divisors is an integer number (1480560).

Almost surely, 2^20058864 is an apocalyptic number.

20058864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20058864 is an abundant number, since it is smaller than the sum of its proper divisors (39163536).

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

20058864 is a wasteful number, since it uses less digits than its factorization.

20058864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59717 (or 59711 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 20058864 is about 4478.7123149405. The cubic root of 20058864 is about 271.7078032897.

The spelling of 20058864 in words is "twenty million, fifty-eight thousand, eight hundred sixty-four".