220020202000 has 40 divisors (see below), whose sum is σ = 532008853272. Its totient is φ = 88008080000.

The previous prime is 220020201983. The next prime is 220020202013. The reversal of 220020202000 is 202020022.

It can be written as a sum of positive squares in 4 ways, for example, as 60301678096 + 159718523904 = 245564^2 + 399648^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 55003051 + ... + 55007050.

Almost surely, 2^220020202000 is an apocalyptic number.

220020202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020202000 is an abundant number, since it is smaller than the sum of its proper divisors (311988651272).

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

220020202000 is a wasteful number, since it uses less digits than its factorization.

220020202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110010124 (or 110010108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 220020202000 its reverse (202020022), we get a palindrome (220222222022).

It can be divided in two parts, 2 and 20020202000, that added together give a palindrome (20020202002).

The spelling of 220020202000 in words is "two hundred twenty billion, twenty million, two hundred two thousand".