20322020 has 24 divisors (see below), whose sum is σ = 44923200. Its totient is φ = 7700832.

The previous prime is 20322017. The next prime is 20322037. The reversal of 20322020 is 2022302.

It is a junction number, because it is equal to n+sod(n) for n = 20321992 and 20322010.

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, 26360 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (1871800).

Almost surely, 2^20322020 is an apocalyptic number.

20322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322020 is an abundant number, since it is smaller than the sum of its proper divisors (24601180).

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

20322020 is a wasteful number, since it uses less digits than its factorization.

20322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53507 (or 53505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20322020 is about 4507.9951197844. The cubic root of 20322020 is about 272.8908399959.

Adding to 20322020 its reverse (2022302), we get a palindrome (22344322).

The spelling of 20322020 in words is "twenty million, three hundred twenty-two thousand, twenty".