220477433 has 4 divisors (see below), whose sum is σ = 240520848. Its totient is φ = 200434020.

The previous prime is 220477427. The next prime is 220477441. The reversal of 220477433 is 334774022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220477433 - 2¹⁰ = 220476409 is a prime.

It is a super-2 number, since 2×220477433² = 97220596924538978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220477433.

It is not an unprimeable number, because it can be changed into a prime (220473433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10021691 + ... + 10021712.

It is an arithmetic number, because the mean of its divisors is an integer number (60130212).

Almost surely, 2^220477433 is an apocalyptic number.

It is an amenable number.

220477433 is a deficient number, since it is larger than the sum of its proper divisors (20043415).

220477433 is a wasteful number, since it uses less digits than its factorization.

220477433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043414.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 220477433 is about 14848.4825150586. The cubic root of 220477433 is about 604.1174509911.

The spelling of 220477433 in words is "two hundred twenty million, four hundred seventy-seven thousand, four hundred thirty-three".