220503901 has 8 divisors (see below), whose sum is σ = 225414560. Its totient is φ = 215641008.

The previous prime is 220503893. The next prime is 220503929. The reversal of 220503901 is 109305022.

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

It is a cyclic number.

It is not a de Polignac number, because 220503901 - 2³ = 220503893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220500901) 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, 2526 + ... + 21151.

It is an arithmetic number, because the mean of its divisors is an integer number (28176820).

Almost surely, 2^220503901 is an apocalyptic number.

It is an amenable number.

220503901 is a deficient number, since it is larger than the sum of its proper divisors (4910659).

220503901 is a wasteful number, since it uses less digits than its factorization.

220503901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23883.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 220503901 is about 14849.3737578391. The cubic root of 220503901 is about 604.1416245020.

Adding to 220503901 its reverse (109305022), we get a palindrome (329808923).

The spelling of 220503901 in words is "two hundred twenty million, five hundred three thousand, nine hundred one".