202023434 has 32 divisors (see below), whose sum is σ = 316008000. Its totient is φ = 96816384.

The previous prime is 202023403. The next prime is 202023443. The reversal of 202023434 is 434320202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453337 + ... + 1453475.

It is an arithmetic number, because the mean of its divisors is an integer number (9875250).

Almost surely, 2^202023434 is an apocalyptic number.

202023434 is a deficient number, since it is larger than the sum of its proper divisors (113984566).

202023434 is a wasteful number, since it uses less digits than its factorization.

202023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 202023434 is about 14213.4947848867. The cubic root of 202023434 is about 586.7691194320.

Adding to 202023434 its reverse (434320202), we get a palindrome (636343636).

The spelling of 202023434 in words is "two hundred two million, twenty-three thousand, four hundred thirty-four".