220200212020 has 24 divisors (see below), whose sum is σ = 462445840584. Its totient is φ = 88075247616.

The previous prime is 220200211967. The next prime is 220200212021. The reversal of 220200212020 is 20212002022.

It can be written as a sum of positive squares in 4 ways, for example, as 25279728016 + 194920484004 = 158996^2 + 441498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200212021) 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, 82932 + ... + 668788.

It is an arithmetic number, because the mean of its divisors is an integer number (19268576691).

Almost surely, 2^220200212020 is an apocalyptic number.

220200212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200212020 is an abundant number, since it is smaller than the sum of its proper divisors (242245628564).

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

220200212020 is a wasteful number, since it uses less digits than its factorization.

220200212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604659 (or 604657 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220200212020 its reverse (20212002022), we get a palindrome (240412214042).

The spelling of 220200212020 in words is "two hundred twenty billion, two hundred million, two hundred twelve thousand, twenty".