202244021400 has 48 divisors (see below), whose sum is σ = 626956468200. Its totient is φ = 53931738880.

The previous prime is 202244021393. The next prime is 202244021407. The reversal of 202244021400 is 4120442202.

It is an interprime number because it is at equal distance from previous prime (202244021393) and next prime (202244021407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202244021407) 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, 168536085 + ... + 168537284.

Almost surely, 2^202244021400 is an apocalyptic number.

202244021400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202244021400 is an abundant number, since it is smaller than the sum of its proper divisors (424712446800).

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

202244021400 is a wasteful number, since it uses less digits than its factorization.

202244021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337073388 (or 337073379 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 202244021400 its reverse (4120442202), we get a palindrome (206364463602).

The spelling of 202244021400 in words is "two hundred two billion, two hundred forty-four million, twenty-one thousand, four hundred".