220123035 has 64 divisors (see below), whose sum is σ = 429442560. Its totient is φ = 106093440.

The previous prime is 220123031. The next prime is 220123049. The reversal of 220123035 is 530321022.

It is not a de Polignac number, because 220123035 - 2² = 220123031 is a prime.

It is a super-2 number, since 2×220123035² = 96908301075222450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220122999 and 220123017.

It is not an unprimeable number, because it can be changed into a prime (220123031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336769 + ... + 337421.

It is an arithmetic number, because the mean of its divisors is an integer number (6710040).

Almost surely, 2^220123035 is an apocalyptic number.

220123035 is a deficient number, since it is larger than the sum of its proper divisors (209319525).

220123035 is a wasteful number, since it uses less digits than its factorization.

220123035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 220123035 is about 14836.5439034837. The cubic root of 220123035 is about 603.7935889211.

Adding to 220123035 its reverse (530321022), we get a palindrome (750444057).

The spelling of 220123035 in words is "two hundred twenty million, one hundred twenty-three thousand, thirty-five".