2420221421204 has 24 divisors (see below), whose sum is σ = 4384370297160. Its totient is φ = 1167600097664.

The previous prime is 2420221421203. The next prime is 2420221421213. The reversal of 2420221421204 is 4021241220242.

It can be written as a sum of positive squares in 4 ways, for example, as 180565504900 + 2239655916304 = 424930^2 + 1496548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420221421203) 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, 6814079 + ... + 7160454.

It is an arithmetic number, because the mean of its divisors is an integer number (182682095715).

Almost surely, 2^{2420221421204} is an apocalyptic number.

It is an amenable number.

2420221421204 is a deficient number, since it is larger than the sum of its proper divisors (1964148875956).

2420221421204 is a wasteful number, since it uses less digits than its factorization.

2420221421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976059 (or 13976057 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 2420221421204 its reverse (4021241220242), we get a palindrome (6441462641446).

The spelling of 2420221421204 in words is "two trillion, four hundred twenty billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred four".