202020011020220 has 12 divisors (see below), whose sum is σ = 424242023142504. Its totient is φ = 80808004408080.

The previous prime is 202020011020169. The next prime is 202020011020231. The reversal of 202020011020220 is 22020110020202.

It is a junction number, because it is equal to n+sod(n) for n = 202020011020195 and 202020011020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050500275486 + ... + 5050500275525.

It is an arithmetic number, because the mean of its divisors is an integer number (35353501928542).

Almost surely, 2^{202020011020220} is an apocalyptic number.

202020011020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020011020220 is an abundant number, since it is smaller than the sum of its proper divisors (222222012122284).

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

202020011020220 is a wasteful number, since it uses less digits than its factorization.

202020011020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101000551020 (or 10101000551018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202020011020220 its reverse (22020110020202), we get a palindrome (224040121040422).

The spelling of 202020011020220 in words is "two hundred two trillion, twenty billion, eleven million, twenty thousand, two hundred twenty".