220202110100 has 72 divisors (see below), whose sum is σ = 578224866240. Its totient is φ = 71056811520.

The previous prime is 220202110067. The next prime is 220202110103. The reversal of 220202110100 is 1011202022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202110103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9240290 + ... + 9264089.

It is an arithmetic number, because the mean of its divisors is an integer number (8030900920).

Almost surely, 2^220202110100 is an apocalyptic number.

220202110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220202110100 is an abundant number, since it is smaller than the sum of its proper divisors (358022756140).

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

220202110100 is a wasteful number, since it uses less digits than its factorization.

220202110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18504417 (or 18504410 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220202110100 its reverse (1011202022), we get a palindrome (221213312122).

The spelling of 220202110100 in words is "two hundred twenty billion, two hundred two million, one hundred ten thousand, one hundred".