2002202100 has 54 divisors (see below), whose sum is σ = 6275794070. Its totient is φ = 533920320.

The previous prime is 2002202099. The next prime is 2002202113. The reversal of 2002202100 is 12022002.

It can be written as a sum of positive squares in 3 ways, for example, as 13220496 + 1988981604 = 3636^2 + 44598^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1111435 + ... + 1113234.

Almost surely, 2^2002202100 is an apocalyptic number.

2002202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002202100 is an abundant number, since it is smaller than the sum of its proper divisors (4273591970).

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

2002202100 is a wasteful number, since it uses less digits than its factorization.

2002202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224689 (or 2224679 counting only the distinct ones).

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

The square root of 2002202100 is about 44745.9730031653. The cubic root of 2002202100 is about 1260.3832923097.

Adding to 2002202100 its reverse (12022002), we get a palindrome (2014224102).

The spelling of 2002202100 in words is "two billion, two million, two hundred two thousand, one hundred".