202023964 has 6 divisors (see below), whose sum is σ = 353541944. Its totient is φ = 101011980.

The previous prime is 202023953. The next prime is 202023967. The reversal of 202023964 is 469320202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252992 + ... + 25252999.

Almost surely, 2^202023964 is an apocalyptic number.

It is an amenable number.

202023964 is a deficient number, since it is larger than the sum of its proper divisors (151517980).

202023964 is a wasteful number, since it uses less digits than its factorization.

202023964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50505995 (or 50505993 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 202023964 is about 14213.5134291279. The cubic root of 202023964 is about 586.7696325530.

The spelling of 202023964 in words is "two hundred two million, twenty-three thousand, nine hundred sixty-four".