402020222200 has 48 divisors (see below), whose sum is σ = 939861173160. Its totient is φ = 159919632000.

The previous prime is 402020222167. The next prime is 402020222209. The reversal of 402020222200 is 2222020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402020222209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5516566 + ... + 5588965.

Almost surely, 2^402020222200 is an apocalyptic number.

402020222200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402020222200 is an abundant number, since it is smaller than the sum of its proper divisors (537840950960).

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

402020222200 is a wasteful number, since it uses less digits than its factorization.

402020222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105728 (or 11105719 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 402020222200 its reverse (2222020204), we get a palindrome (404242242404).

The spelling of 402020222200 in words is "four hundred two billion, twenty million, two hundred twenty-two thousand, two hundred".