20212220020200 has 96 divisors (see below), whose sum is σ = 67477719170400. Its totient is φ = 4975315695360.

The previous prime is 20212220020189. The next prime is 20212220020283. The reversal of 20212220020200 is 202002221202.

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 20212220020200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1295647330 + ... + 1295662929.

It is an arithmetic number, because the mean of its divisors is an integer number (702892908025).

Almost surely, 2^{20212220020200} is an apocalyptic number.

20212220020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212220020200 is an abundant number, since it is smaller than the sum of its proper divisors (47265499150200).

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

20212220020200 is a wasteful number, since it uses less digits than its factorization.

20212220020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591310291 (or 2591310282 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20212220020200 its reverse (202002221202), we get a palindrome (20414222241402).

The spelling of 20212220020200 in words is "twenty trillion, two hundred twelve billion, two hundred twenty million, twenty thousand, two hundred".