202020734 has 4 divisors (see below), whose sum is σ = 303031104. Its totient is φ = 101010366.

The previous prime is 202020719. The next prime is 202020811. The reversal of 202020734 is 437020202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505182 + ... + 50505185.

It is an arithmetic number, because the mean of its divisors is an integer number (75757776).

Almost surely, 2^202020734 is an apocalyptic number.

202020734 is a deficient number, since it is larger than the sum of its proper divisors (101010370).

202020734 is a wasteful number, since it uses less digits than its factorization.

202020734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010369.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 202020734 is about 14213.3998044099. The cubic root of 202020734 is about 586.7665054058.

Adding to 202020734 its reverse (437020202), we get a palindrome (639040936).

The spelling of 202020734 in words is "two hundred two million, twenty thousand, seven hundred thirty-four".