202143423233320 has 48 divisors (see below), whose sum is σ = 483150759883740. Its totient is φ = 76101053448192.

The previous prime is 202143423233317. The next prime is 202143423233347. The reversal of 202143423233320 is 23332324341202.

It can be written as a sum of positive squares in 6 ways, for example, as 193590992035204 + 8552431198116 = 13913698^2 + 2924454^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8743216089 + ... + 8743239208.

Almost surely, 2^{202143423233320} is an apocalyptic number.

202143423233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202143423233320 is an abundant number, since it is smaller than the sum of its proper divisors (281007336650420).

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

202143423233320 is a wasteful number, since it uses less digits than its factorization.

202143423233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486455342 (or 17486455321 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 202143423233320 its reverse (23332324341202), we get a palindrome (225475747574522).

The spelling of 202143423233320 in words is "two hundred two trillion, one hundred forty-three billion, four hundred twenty-three million, two hundred thirty-three thousand, three hundred twenty".