220423652 has 24 divisors (see below), whose sum is σ = 396934776. Its totient is φ = 107025408.

The previous prime is 220423627. The next prime is 220423669. The reversal of 220423652 is 256324022.

220423652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131423296 + 89000356 = 11464^2 + 9434^2 .

It is a super-2 number, since 2×220423652² = 97173172722034208, which contains 22 as substring.

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, 98498 + ... + 100710.

It is an arithmetic number, because the mean of its divisors is an integer number (16538949).

Almost surely, 2^220423652 is an apocalyptic number.

It is an amenable number.

220423652 is a deficient number, since it is larger than the sum of its proper divisors (176511124).

220423652 is a wasteful number, since it uses less digits than its factorization.

220423652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 220423652 is about 14846.6714114646. The cubic root of 220423652 is about 604.0683262616.

Adding to 220423652 its reverse (256324022), we get a palindrome (476747674).

The spelling of 220423652 in words is "two hundred twenty million, four hundred twenty-three thousand, six hundred fifty-two".