202220212104 has 24 divisors (see below), whose sum is σ = 547679741310. Its totient is φ = 67406737344.

The previous prime is 202220212093. The next prime is 202220212111. The reversal of 202220212104 is 401212022202.

It can be written as a sum of positive squares in only one way, i.e., 170428608900 + 31791603204 = 412830^2 + 178302^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1404306957 + ... + 1404307100.

Almost surely, 2^202220212104 is an apocalyptic number.

202220212104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202220212104 is an abundant number, since it is smaller than the sum of its proper divisors (345459529206).

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

202220212104 is a wasteful number, since it uses less digits than its factorization.

202220212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808614069 (or 2808614062 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202220212104 its reverse (401212022202), we get a palindrome (603432234306).

The spelling of 202220212104 in words is "two hundred two billion, two hundred twenty million, two hundred twelve thousand, one hundred four".