220135412 has 48 divisors (see below), whose sum is σ = 447444480. Its totient is φ = 92822112.

The previous prime is 220135381. The next prime is 220135423. The reversal of 220135412 is 214531022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634223 + ... + 634569.

It is an arithmetic number, because the mean of its divisors is an integer number (9321760).

Almost surely, 2^220135412 is an apocalyptic number.

It is an amenable number.

220135412 is an abundant number, since it is smaller than the sum of its proper divisors (227309068).

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

220135412 is a wasteful number, since it uses less digits than its factorization.

220135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220135412 is about 14836.9610095868. The cubic root of 220135412 is about 603.8049053397.

Adding to 220135412 its reverse (214531022), we get a palindrome (434666434).

The spelling of 220135412 in words is "two hundred twenty million, one hundred thirty-five thousand, four hundred twelve".