202053321 has 12 divisors (see below), whose sum is σ = 304544448. Its totient is φ = 128845464.

The previous prime is 202053301. The next prime is 202053359. The reversal of 202053321 is 123350202.

It is a de Polignac number, because none of the positive numbers 2^k-202053321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202053294 and 202053303.

It is not an unprimeable number, because it can be changed into a prime (202053301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487845 + ... + 488258.

It is an arithmetic number, because the mean of its divisors is an integer number (25378704).

Almost surely, 2^202053321 is an apocalyptic number.

It is an amenable number.

202053321 is a deficient number, since it is larger than the sum of its proper divisors (102491127).

202053321 is a wasteful number, since it uses less digits than its factorization.

202053321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976132 (or 976129 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 202053321 is about 14214.5461060141. The cubic root of 202053321 is about 586.7980532107.

The spelling of 202053321 in words is "two hundred two million, fifty-three thousand, three hundred twenty-one".