202070634 has 16 divisors (see below), whose sum is σ = 410991840. Its totient is φ = 66215120.

The previous prime is 202070629. The next prime is 202070657. The reversal of 202070634 is 436070202.

It is a super-2 number, since 2×202070634² = 81665082250323912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285057 + ... + 285764.

It is an arithmetic number, because the mean of its divisors is an integer number (25686990).

Almost surely, 2^202070634 is an apocalyptic number.

202070634 is an abundant number, since it is smaller than the sum of its proper divisors (208921206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202070634 is a wasteful number, since it uses less digits than its factorization.

202070634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570885.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 202070634 is about 14215.1550818132. The cubic root of 202070634 is about 586.8148127216.

The spelling of 202070634 in words is "two hundred two million, seventy thousand, six hundred thirty-four".