220121094 has 32 divisors (see below), whose sum is σ = 452125440. Its totient is φ = 71417952.

The previous prime is 220121093. The next prime is 220121141. The reversal of 220121094 is 490121022.

It is a self number, because there is not a number n which added to its sum of digits gives 220121094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33444 + ... + 39480.

It is an arithmetic number, because the mean of its divisors is an integer number (14128920).

Almost surely, 2^220121094 is an apocalyptic number.

220121094 is an abundant number, since it is smaller than the sum of its proper divisors (232004346).

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

220121094 is a wasteful number, since it uses less digits than its factorization.

220121094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204.

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

The square root of 220121094 is about 14836.4784905314. The cubic root of 220121094 is about 603.7918142064.

The spelling of 220121094 in words is "two hundred twenty million, one hundred twenty-one thousand, ninety-four".