220400401244 has 24 divisors (see below), whose sum is σ = 399155979600. Its totient is φ = 106358792960.

The previous prime is 220400401231. The next prime is 220400401259. The reversal of 220400401244 is 442104004022.

It is a congruent number.

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, 69197 + ... + 667524.

It is an arithmetic number, because the mean of its divisors is an integer number (16631499150).

Almost surely, 2^220400401244 is an apocalyptic number.

It is an amenable number.

220400401244 is a deficient number, since it is larger than the sum of its proper divisors (178755578356).

220400401244 is a wasteful number, since it uses less digits than its factorization.

220400401244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739333 (or 739331 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 220400401244 its reverse (442104004022), we get a palindrome (662504405266).

The spelling of 220400401244 in words is "two hundred twenty billion, four hundred million, four hundred one thousand, two hundred forty-four".