202132021 has 8 divisors (see below), whose sum is σ = 248777984. Its totient is φ = 159928560.

The previous prime is 202132003. The next prime is 202132033. The reversal of 202132021 is 120231202.

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 202132021 - 2⁷ = 202131893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 202131992 and 202132010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202132081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110525 + ... + 1110706.

It is an arithmetic number, because the mean of its divisors is an integer number (31097248).

Almost surely, 2^202132021 is an apocalyptic number.

It is an amenable number.

202132021 is a deficient number, since it is larger than the sum of its proper divisors (46645963).

202132021 is a wasteful number, since it uses less digits than its factorization.

202132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221251.

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

The square root of 202132021 is about 14217.3141274996. The cubic root of 202132021 is about 586.8742294926.

Adding to 202132021 its reverse (120231202), we get a palindrome (322363223).

The spelling of 202132021 in words is "two hundred two million, one hundred thirty-two thousand, twenty-one".