20002220200 has 48 divisors (see below), whose sum is σ = 47199300480. Its totient is φ = 7881466560.

The previous prime is 20002220177. The next prime is 20002220201. The reversal of 20002220200 is 202220002.

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 (20002220201) 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, 732952 + ... + 759751.

It is an arithmetic number, because the mean of its divisors is an integer number (983318760).

Almost surely, 2^20002220200 is an apocalyptic number.

20002220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002220200 is an abundant number, since it is smaller than the sum of its proper divisors (27197080280).

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

20002220200 is a wasteful number, since it uses less digits than its factorization.

20002220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492786 (or 1492777 counting only the distinct ones).

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

Adding to 20002220200 its reverse (202220002), we get a palindrome (20204440202).

The spelling of 20002220200 in words is "twenty billion, two million, two hundred twenty thousand, two hundred".