220356429 has 8 divisors (see below), whose sum is σ = 294374592. Its totient is φ = 146621280.

The previous prime is 220356421. The next prime is 220356469. The reversal of 220356429 is 924653022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220356429 - 2³ = 220356421 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220356429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220356421) 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, 68929 + ... + 72054.

It is an arithmetic number, because the mean of its divisors is an integer number (36796824).

Almost surely, 2^220356429 is an apocalyptic number.

It is an amenable number.

220356429 is a deficient number, since it is larger than the sum of its proper divisors (74018163).

220356429 is a wasteful number, since it uses less digits than its factorization.

220356429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141507.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 220356429 is about 14844.4073307088. The cubic root of 220356429 is about 604.0069120812.

The spelling of 220356429 in words is "two hundred twenty million, three hundred fifty-six thousand, four hundred twenty-nine".