202013221000 has 32 divisors (see below), whose sum is σ = 472710939480. Its totient is φ = 80805288000.

The previous prime is 202013220949. The next prime is 202013221043. The reversal of 202013221000 is 122310202.

It can be written as a sum of positive squares in 4 ways, for example, as 65850744996 + 136162476004 = 256614^2 + 369002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101005611 + ... + 101007610.

Almost surely, 2^202013221000 is an apocalyptic number.

202013221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202013221000 is an abundant number, since it is smaller than the sum of its proper divisors (270697718480).

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

202013221000 is a wasteful number, since it uses less digits than its factorization.

202013221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202013242 (or 202013228 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 202013221000 its reverse (122310202), we get a palindrome (202135531202).

The spelling of 202013221000 in words is "two hundred two billion, thirteen million, two hundred twenty-one thousand".