202089453400 has 24 divisors (see below), whose sum is σ = 469857979620. Its totient is φ = 80835781280.

The previous prime is 202089453383. The next prime is 202089453473. The reversal of 202089453400 is 4354980202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202089453400.

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, 505223434 + ... + 505223833.

Almost surely, 2^202089453400 is an apocalyptic number.

202089453400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202089453400 is an abundant number, since it is smaller than the sum of its proper divisors (267768526220).

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

202089453400 is a wasteful number, since it uses less digits than its factorization.

202089453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010447283 (or 1010447274 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 202089453400 in words is "two hundred two billion, eighty-nine million, four hundred fifty-three thousand, four hundred".