220293100 has 18 divisors (see below), whose sum is σ = 478036244. Its totient is φ = 88117200.

The previous prime is 220293071. The next prime is 220293107. The reversal of 220293100 is 1392022.

It is a happy number.

It is a super-2 number, since 2×220293100² = 97058099815220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220293107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101366 + ... + 1101565.

Almost surely, 2^220293100 is an apocalyptic number.

220293100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220293100 is an abundant number, since it is smaller than the sum of its proper divisors (257743144).

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

220293100 is a wasteful number, since it uses less digits than its factorization.

220293100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202945 (or 2202938 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 220293100 is about 14842.2740845195. The cubic root of 220293100 is about 603.9490439886.

The spelling of 220293100 in words is "two hundred twenty million, two hundred ninety-three thousand, one hundred".