202000122034520 has 32 divisors (see below), whose sum is σ = 454502833225200. Its totient is φ = 80799593943168.

The previous prime is 202000122034511. The next prime is 202000122034537. The reversal of 202000122034520 is 25430221000202.

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, 6975050 + ... + 21275609.

Almost surely, 2^{202000122034520} is an apocalyptic number.

202000122034520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000122034520 is an abundant number, since it is smaller than the sum of its proper divisors (252502711190680).

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

202000122034520 is a wasteful number, since it uses less digits than its factorization.

202000122034520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28429427 (or 28429423 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 202000122034520 its reverse (25430221000202), we get a palindrome (227430343034722).

The spelling of 202000122034520 in words is "two hundred two trillion, one hundred twenty-two million, thirty-four thousand, five hundred twenty".