202144430244020 has 24 divisors (see below), whose sum is σ = 463094512923168. Its totient is φ = 73507065543200.

The previous prime is 202144430243989. The next prime is 202144430244047. The reversal of 202144430244020 is 20442034441202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459419159426 + ... + 459419159865.

It is an arithmetic number, because the mean of its divisors is an integer number (19295604705132).

Almost surely, 2^{202144430244020} is an apocalyptic number.

202144430244020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202144430244020 is an abundant number, since it is smaller than the sum of its proper divisors (260950082679148).

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

202144430244020 is a wasteful number, since it uses less digits than its factorization.

202144430244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918838319311 (or 918838319309 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 202144430244020 its reverse (20442034441202), we get a palindrome (222586464685222).

The spelling of 202144430244020 in words is "two hundred two trillion, one hundred forty-four billion, four hundred thirty million, two hundred forty-four thousand, twenty".