20022202100 has 36 divisors (see below), whose sum is σ = 44372618304. Its totient is φ = 7838477280.

The previous prime is 20022202051. The next prime is 20022202169. The reversal of 20022202100 is 120222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2125322 + ... + 2134721.

Almost surely, 2^20022202100 is an apocalyptic number.

20022202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022202100 is an abundant number, since it is smaller than the sum of its proper divisors (24350416204).

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

20022202100 is a wasteful number, since it uses less digits than its factorization.

20022202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260104 (or 4260097 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022202100 its reverse (120222002), we get a palindrome (20142424102).

The spelling of 20022202100 in words is "twenty billion, twenty-two million, two hundred two thousand, one hundred".