220253620 has 12 divisors (see below), whose sum is σ = 462532644. Its totient is φ = 88101440.

The previous prime is 220253603. The next prime is 220253639. The reversal of 220253620 is 26352022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26152996 + 194100624 = 5114^2 + 13932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220253591 and 220253600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5506321 + ... + 5506360.

It is an arithmetic number, because the mean of its divisors is an integer number (38544387).

Almost surely, 2^220253620 is an apocalyptic number.

220253620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220253620 is an abundant number, since it is smaller than the sum of its proper divisors (242279024).

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

220253620 is a wasteful number, since it uses less digits than its factorization.

220253620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012690 (or 11012688 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 220253620 is about 14840.9440400535. The cubic root of 220253620 is about 603.9129627665.

The spelling of 220253620 in words is "two hundred twenty million, two hundred fifty-three thousand, six hundred twenty".