20200220200 has 48 divisors (see below), whose sum is σ = 46975235580. Its totient is φ = 8078415360.

The previous prime is 20200220197. The next prime is 20200220207. The reversal of 20200220200 is 202200202.

It can be written as a sum of positive squares in 6 ways, for example, as 12388135204 + 7812084996 = 111302^2 + 88386^2 .

It is a super-2 number, since 2×20200220200² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20200220207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1507932 + ... + 1521268.

Almost surely, 2^20200220200 is an apocalyptic number.

20200220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200220200 is an abundant number, since it is smaller than the sum of its proper divisors (26775015380).

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

20200220200 is a wasteful number, since it uses less digits than its factorization.

20200220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926 (or 20917 counting only the distinct ones).

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

Adding to 20200220200 its reverse (202200202), we get a palindrome (20402420402).

The spelling of 20200220200 in words is "twenty billion, two hundred million, two hundred twenty thousand, two hundred".