20059992 has 24 divisors (see below), whose sum is σ = 54329340. Its totient is φ = 6686640.

The previous prime is 20059969. The next prime is 20059999. The reversal of 20059992 is 29995002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20059999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139234 + ... + 139377.

Almost surely, 2^20059992 is an apocalyptic number.

It is an amenable number.

20059992 is an abundant number, since it is smaller than the sum of its proper divisors (34269348).

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

20059992 is a wasteful number, since it uses less digits than its factorization.

20059992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278623 (or 278616 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 20059992 is about 4478.8382422231. The cubic root of 20059992 is about 271.7128963109.

The spelling of 20059992 in words is "twenty million, fifty-nine thousand, nine hundred ninety-two".