220000100202 has 12 divisors (see below), whose sum is σ = 476666883810. Its totient is φ = 73333366728.

The previous prime is 220000100167. The next prime is 220000100207. The reversal of 220000100202 is 202001000022.

It can be written as a sum of positive squares in only one way, i.e., 216411970401 + 3588129801 = 465201^2 + 59901^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (220000100207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6111113877 + ... + 6111113912.

Almost surely, 2^220000100202 is an apocalyptic number.

220000100202 is an abundant number, since it is smaller than the sum of its proper divisors (256666783608).

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

220000100202 is a wasteful number, since it uses less digits than its factorization.

220000100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222227797 (or 12222227794 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 220000100202 its reverse (202001000022), we get a palindrome (422001100224).

The spelling of 220000100202 in words is "two hundred twenty billion, one hundred thousand, two hundred two".