220040402204 has 48 divisors (see below), whose sum is σ = 456161932800. Its totient is φ = 90870015936.

The previous prime is 220040402177. The next prime is 220040402243. The reversal of 220040402204 is 402204040022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139067 + ... + 677805.

It is an arithmetic number, because the mean of its divisors is an integer number (9503373600).

Almost surely, 2^220040402204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220040402204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228080966400).

220040402204 is an abundant number, since it is smaller than the sum of its proper divisors (236121530596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220040402204 is a wasteful number, since it uses less digits than its factorization.

220040402204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539282 (or 539280 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220040402204 its reverse (402204040022), we get a palindrome (622244442226).

The spelling of 220040402204 in words is "two hundred twenty billion, forty million, four hundred two thousand, two hundred four".