2220204403240 has 32 divisors (see below), whose sum is σ = 5027278137480. Its totient is φ = 882425187072.

The previous prime is 2220204403231. The next prime is 2220204403253. The reversal of 2220204403240 is 423044020222.

It can be written as a sum of positive squares in 4 ways, for example, as 1878758179684 + 341446223556 = 1370678^2 + 584334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176761587 + ... + 176774146.

Almost surely, 2^{2220204403240} is an apocalyptic number.

2220204403240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220204403240 is an abundant number, since it is smaller than the sum of its proper divisors (2807073734240).

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

2220204403240 is a wasteful number, since it uses less digits than its factorization.

2220204403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353535901 (or 353535897 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 2220204403240 its reverse (423044020222), we get a palindrome (2643248423462).

The spelling of 2220204403240 in words is "two trillion, two hundred twenty billion, two hundred four million, four hundred three thousand, two hundred forty".