220151634 has 16 divisors (see below), whose sum is σ = 441205920. Its totient is φ = 73233440.

The previous prime is 220151609. The next prime is 220151647. The reversal of 220151634 is 436151022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34419 + ... + 40310.

It is an arithmetic number, because the mean of its divisors is an integer number (27575370).

Almost surely, 2^220151634 is an apocalyptic number.

220151634 is an abundant number, since it is smaller than the sum of its proper divisors (221054286).

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

220151634 is a wasteful number, since it uses less digits than its factorization.

220151634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75225.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 220151634 is about 14837.5076748085. The cubic root of 220151634 is about 603.8197366391.

It can be divided in two parts, 2201 and 51634, that added together give a palindrome (53835).

The spelling of 220151634 in words is "two hundred twenty million, one hundred fifty-one thousand, six hundred thirty-four".