220220321858 has 16 divisors (see below), whose sum is σ = 341805087360. Its totient is φ = 106287157200.

The previous prime is 220220321857. The next prime is 220220321873. The reversal of 220220321858 is 858123022022.

It is a super-2 number, since 2×220220321858² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220220321857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226778 + ... + 701333.

It is an arithmetic number, because the mean of its divisors is an integer number (21362817960).

Almost surely, 2^220220321858 is an apocalyptic number.

220220321858 is a deficient number, since it is larger than the sum of its proper divisors (121584765502).

220220321858 is a wasteful number, since it uses less digits than its factorization.

220220321858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932233.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 220220321858 in words is "two hundred twenty billion, two hundred twenty million, three hundred twenty-one thousand, eight hundred fifty-eight".