220126632 has 64 divisors (see below), whose sum is σ = 614338560. Its totient is φ = 65150400.

The previous prime is 220126607. The next prime is 220126639. The reversal of 220126632 is 236621022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (220126639) 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, 1657 + ... + 21047.

It is an arithmetic number, because the mean of its divisors is an integer number (9599040).

Almost surely, 2^220126632 is an apocalyptic number.

220126632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220126632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307169280).

220126632 is an abundant number, since it is smaller than the sum of its proper divisors (394211928).

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

220126632 is a wasteful number, since it uses less digits than its factorization.

220126632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19454 (or 19450 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 220126632 is about 14836.6651239421. The cubic root of 220126632 is about 603.7968777390.

Adding to 220126632 its reverse (236621022), we get a palindrome (456747654).

The spelling of 220126632 in words is "two hundred twenty million, one hundred twenty-six thousand, six hundred thirty-two".