1000202212220 has 24 divisors (see below), whose sum is σ = 2100546429408. Its totient is φ = 400057688000.

The previous prime is 1000202212117. The next prime is 1000202212223. The reversal of 1000202212220 is 222122020001.

1000202212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1000202212195 and 1000202212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000202212223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094111 + ... + 1788150.

It is an arithmetic number, because the mean of its divisors is an integer number (87522767892).

Almost surely, 2^{1000202212220} is an apocalyptic number.

1000202212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000202212220 is an abundant number, since it is smaller than the sum of its proper divisors (1100344217188).

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

1000202212220 is a wasteful number, since it uses less digits than its factorization.

1000202212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899621 (or 2899619 counting only the distinct ones).

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

Adding to 1000202212220 its reverse (222122020001), we get a palindrome (1222324232221).

The spelling of 1000202212220 in words is "one trillion, two hundred two million, two hundred twelve thousand, two hundred twenty".