20358882 has 12 divisors (see below), whose sum is σ = 44110950. Its totient is φ = 6786288.

The previous prime is 20358869. The next prime is 20358883. The reversal of 20358882 is 28885302.

It can be written as a sum of positive squares in only one way, i.e., 18224361 + 2134521 = 4269^2 + 1461^2 .

It is not an unprimeable number, because it can be changed into a prime (20358883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565507 + ... + 565542.

Almost surely, 2^20358882 is an apocalyptic number.

20358882 is an abundant number, since it is smaller than the sum of its proper divisors (23752068).

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

20358882 is a wasteful number, since it uses less digits than its factorization.

20358882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131057 (or 1131054 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 20358882 is about 4512.0817811737. The cubic root of 20358882 is about 273.0557387297.

The spelling of 20358882 in words is "twenty million, three hundred fifty-eight thousand, eight hundred eighty-two".