202130022144 has 72 divisors (see below), whose sum is σ = 538036944592. Its totient is φ = 67367116800.

The previous prime is 202130022139. The next prime is 202130022173. The reversal of 202130022144 is 441220031202.

It is a super-3 number, since 3×202130022144³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202130022144.

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, 7230594 + ... + 7258494.

Almost surely, 2^202130022144 is an apocalyptic number.

202130022144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202130022144 is an abundant number, since it is smaller than the sum of its proper divisors (335906922448).

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

202130022144 is an equidigital number, since it uses as much as digits as its factorization.

202130022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37353 (or 37339 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202130022144 its reverse (441220031202), we get a palindrome (643350053346).

The spelling of 202130022144 in words is "two hundred two billion, one hundred thirty million, twenty-two thousand, one hundred forty-four".