20202200520 has 64 divisors (see below), whose sum is σ = 60744816000. Its totient is φ = 5374967808.

The previous prime is 20202200519. The next prime is 20202200533. The reversal of 20202200520 is 2500220202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20202200520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139065 + ... + 244424.

It is an arithmetic number, because the mean of its divisors is an integer number (949137750).

Almost surely, 2^20202200520 is an apocalyptic number.

20202200520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202200520 is an abundant number, since it is smaller than the sum of its proper divisors (40542615480).

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

20202200520 is a wasteful number, since it uses less digits than its factorization.

20202200520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383942 (or 383938 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 20202200520 its reverse (2500220202), we get a palindrome (22702420722).

The spelling of 20202200520 in words is "twenty billion, two hundred two million, two hundred thousand, five hundred twenty".