20087022 has 32 divisors (see below), whose sum is σ = 41212800. Its totient is φ = 6524768.

The previous prime is 20087021. The next prime is 20087059. The reversal of 20087022 is 22078002.

It is a self number, because there is not a number n which added to its sum of digits gives 20087022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20087021) 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 15 ways as a sum of consecutive naturals, for example, 63208 + ... + 63524.

It is an arithmetic number, because the mean of its divisors is an integer number (1287900).

Almost surely, 2^20087022 is an apocalyptic number.

20087022 is an abundant number, since it is smaller than the sum of its proper divisors (21125778).

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

20087022 is a wasteful number, since it uses less digits than its factorization.

20087022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20087022 is about 4481.8547499891. The cubic root of 20087022 is about 271.8348821238.

The spelling of 20087022 in words is "twenty million, eighty-seven thousand, twenty-two".