220101294 has 16 divisors (see below), whose sum is σ = 503088768. Its totient is φ = 62886072.

The previous prime is 220101293. The next prime is 220101311. The reversal of 220101294 is 492101022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 220101294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101293) by changing a digit.

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, 2620212 + ... + 2620295.

It is an arithmetic number, because the mean of its divisors is an integer number (31443048).

Almost surely, 2^220101294 is an apocalyptic number.

220101294 is an abundant number, since it is smaller than the sum of its proper divisors (282987474).

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

220101294 is a wasteful number, since it uses less digits than its factorization.

220101294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240519.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 220101294 is about 14835.8112012792. The cubic root of 220101294 is about 603.7737098739.

The spelling of 220101294 in words is "two hundred twenty million, one hundred one thousand, two hundred ninety-four".