220420430 has 16 divisors (see below), whose sum is σ = 397311264. Its totient is φ = 88044960.

The previous prime is 220420411. The next prime is 220420439. The reversal of 220420430 is 34024022.

220420430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220420430² = 97170331922769800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220420399 and 220420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220420439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7706 + ... + 22365.

It is an arithmetic number, because the mean of its divisors is an integer number (24831954).

Almost surely, 2^220420430 is an apocalyptic number.

220420430 is a deficient number, since it is larger than the sum of its proper divisors (176890834).

220420430 is a wasteful number, since it uses less digits than its factorization.

220420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30811.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 220420430 is about 14846.5629018975. The cubic root of 220420430 is about 604.0653829634.

Adding to 220420430 its reverse (34024022), we get a palindrome (254444452).

The spelling of 220420430 in words is "two hundred twenty million, four hundred twenty thousand, four hundred thirty".