202022040400 has 60 divisors (see below), whose sum is σ = 487073270752. Its totient is φ = 80523227520.

The previous prime is 202022040299. The next prime is 202022040419. The reversal of 202022040400 is 4040220202.

202022040400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 779124 + ... + 1005523.

Almost surely, 2^202022040400 is an apocalyptic number.

202022040400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202022040400 is an abundant number, since it is smaller than the sum of its proper divisors (285051230352).

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

202022040400 is a wasteful number, since it uses less digits than its factorization.

202022040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784948 (or 1784937 counting only the distinct ones).

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

Adding to 202022040400 its reverse (4040220202), we get a palindrome (206062260602).

It can be divided in two parts, 20202 and 2040400, that added together give a palindrome (2060602).

The spelling of 202022040400 in words is "two hundred two billion, twenty-two million, forty thousand, four hundred".