231422020200200 has 96 divisors (see below), whose sum is σ = 552610010550600. Its totient is φ = 90065032611840.

The previous prime is 231422020200193. The next prime is 231422020200227. The reversal of 231422020200200 is 2002020224132.

It can be written as a sum of positive squares in 12 ways, for example, as 525546702916 + 230896473497284 = 724946^2 + 15195278^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376419452 + ... + 377033748.

Almost surely, 2^{231422020200200} is an apocalyptic number.

231422020200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231422020200200 is an abundant number, since it is smaller than the sum of its proper divisors (321187990350400).

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

231422020200200 is a wasteful number, since it uses less digits than its factorization.

231422020200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665259 (or 665250 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 231422020200200 its reverse (2002020224132), we get a palindrome (233424040424332).

The spelling of 231422020200200 in words is "two hundred thirty-one trillion, four hundred twenty-two billion, twenty million, two hundred thousand, two hundred".