202993107700 has 18 divisors (see below), whose sum is σ = 440495043926. Its totient is φ = 81197243040.

The previous prime is 202993107661. The next prime is 202993107727. The reversal of 202993107700 is 7701399202.

It can be written as a sum of positive squares in 3 ways, for example, as 5837571216 + 197155536484 = 76404^2 + 444022^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1014965439 + ... + 1014965638.

Almost surely, 2^202993107700 is an apocalyptic number.

202993107700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202993107700 is an abundant number, since it is smaller than the sum of its proper divisors (237501936226).

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

202993107700 is a wasteful number, since it uses less digits than its factorization.

202993107700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029931091 (or 2029931084 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 202993107700 in words is "two hundred two billion, nine hundred ninety-three million, one hundred seven thousand, seven hundred".