202131092 has 6 divisors (see below), whose sum is σ = 353729418. Its totient is φ = 101065544.

The previous prime is 202131091. The next prime is 202131113. The reversal of 202131092 is 290131202.

It can be written as a sum of positive squares in only one way, i.e., 199261456 + 2869636 = 14116^2 + 1694^2 .

It is a super-2 number, since 2×202131092² = 81713956706224928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25266383 + ... + 25266390.

It is an arithmetic number, because the mean of its divisors is an integer number (58954903).

Almost surely, 2^202131092 is an apocalyptic number.

It is an amenable number.

202131092 is a deficient number, since it is larger than the sum of its proper divisors (151598326).

202131092 is a wasteful number, since it uses less digits than its factorization.

202131092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50532777 (or 50532775 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 202131092 is about 14217.2814560309. The cubic root of 202131092 is about 586.8733303987.

Adding to 202131092 its reverse (290131202), we get a palindrome (492262294).

The spelling of 202131092 in words is "two hundred two million, one hundred thirty-one thousand, ninety-two".