202142230320 has 40 divisors (see below), whose sum is σ = 626640914736. Its totient is φ = 53904594688.

The previous prime is 202142230313. The next prime is 202142230331. The reversal of 202142230320 is 23032241202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×202142230320² (a number of 23 digits) contains 22 as substring.

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, 421129407 + ... + 421129886.

Almost surely, 2^202142230320 is an apocalyptic number.

202142230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202142230320 is an abundant number, since it is smaller than the sum of its proper divisors (424498684416).

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

202142230320 is a wasteful number, since it uses less digits than its factorization.

202142230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842259309 (or 842259303 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 202142230320 its reverse (23032241202), we get a palindrome (225174471522).

The spelling of 202142230320 in words is "two hundred two billion, one hundred forty-two million, two hundred thirty thousand, three hundred twenty".