202021132 has 24 divisors (see below), whose sum is σ = 374885280. Its totient is φ = 94928640.

The previous prime is 202021117. The next prime is 202021139. The reversal of 202021132 is 231120202.

It is a super-2 number, since 2×202021132² = 81625075549122848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202021139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55282 + ... + 58822.

It is an arithmetic number, because the mean of its divisors is an integer number (15620220).

Almost surely, 2^202021132 is an apocalyptic number.

It is an amenable number.

202021132 is a deficient number, since it is larger than the sum of its proper divisors (172864148).

202021132 is a wasteful number, since it uses less digits than its factorization.

202021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4399 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 202021132 is about 14213.4138052756. The cubic root of 202021132 is about 586.7668907341.

Adding to 202021132 its reverse (231120202), we get a palindrome (433141334).

The spelling of 202021132 in words is "two hundred two million, twenty-one thousand, one hundred thirty-two".