220038412 has 24 divisors (see below), whose sum is σ = 444785040. Its totient is φ = 94133760.

The previous prime is 220038391. The next prime is 220038433. The reversal of 220038412 is 214830022.

It is an interprime number because it is at equal distance from previous prime (220038391) and next prime (220038433).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146337 + ... + 147832.

It is an arithmetic number, because the mean of its divisors is an integer number (18532710).

Almost surely, 2^220038412 is an apocalyptic number.

220038412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220038412 is an abundant number, since it is smaller than the sum of its proper divisors (224746628).

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

220038412 is a wasteful number, since it uses less digits than its factorization.

220038412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294201 (or 294199 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 220038412 is about 14833.6917859311. The cubic root of 220038412 is about 603.7162058736.

Adding to 220038412 its reverse (214830022), we get a palindrome (434868434).

The spelling of 220038412 in words is "two hundred twenty million, thirty-eight thousand, four hundred twelve".