202190057 has 8 divisors (see below), whose sum is σ = 204123840. Its totient is φ = 200264400.

The previous prime is 202190047. The next prime is 202190101. The reversal of 202190057 is 750091202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202190057 - 2²⁰ = 201141481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202190017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55463 + ... + 58995.

It is an arithmetic number, because the mean of its divisors is an integer number (25515480).

Almost surely, 2^202190057 is an apocalyptic number.

It is an amenable number.

202190057 is a deficient number, since it is larger than the sum of its proper divisors (1933783).

202190057 is a wasteful number, since it uses less digits than its factorization.

202190057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 202190057 is about 14219.3550135018. The cubic root of 202190057 is about 586.9303917529.

The spelling of 202190057 in words is "two hundred two million, one hundred ninety thousand, fifty-seven".