420110225620 has 12 divisors (see below), whose sum is σ = 882231473844. Its totient is φ = 168044090240.

The previous prime is 420110225599. The next prime is 420110225627. The reversal of 420110225620 is 26522011024.

It can be written as a sum of positive squares in 2 ways, for example, as 305282770576 + 114827455044 = 552524^2 + 338862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420110225627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10502755621 + ... + 10502755660.

It is an arithmetic number, because the mean of its divisors is an integer number (73519289487).

Almost surely, 2^420110225620 is an apocalyptic number.

It is an amenable number.

420110225620 is an abundant number, since it is smaller than the sum of its proper divisors (462121248224).

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

420110225620 is a wasteful number, since it uses less digits than its factorization.

420110225620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005511290 (or 21005511288 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 420110225620 its reverse (26522011024), we get a palindrome (446632236644).

The spelling of 420110225620 in words is "four hundred twenty billion, one hundred ten million, two hundred twenty-five thousand, six hundred twenty".