20202220120 has 64 divisors (see below), whose sum is σ = 48539347200. Its totient is φ = 7550538240.

The previous prime is 20202220111. The next prime is 20202220127. The reversal of 20202220120 is 2102220202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202220120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202220127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244939 + ... + 316858.

It is an arithmetic number, because the mean of its divisors is an integer number (758427300).

Almost surely, 2^20202220120 is an apocalyptic number.

20202220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202220120 is an abundant number, since it is smaller than the sum of its proper divisors (28337127080).

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

20202220120 is a wasteful number, since it uses less digits than its factorization.

20202220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561868 (or 561864 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20202220120 its reverse (2102220202), we get a palindrome (22304440322).

The spelling of 20202220120 in words is "twenty billion, two hundred two million, two hundred twenty thousand, one hundred twenty".