420314522420 has 36 divisors (see below), whose sum is σ = 955780309260. Its totient is φ = 155193053184.

The previous prime is 420314522399. The next prime is 420314522423. The reversal of 420314522420 is 24225413024.

It can be written as a sum of positive squares in 6 ways, for example, as 11704643344 + 408609879076 = 108188^2 + 639226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420314522423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62173325 + ... + 62180084.

It is an arithmetic number, because the mean of its divisors is an integer number (26549453035).

Almost surely, 2^420314522420 is an apocalyptic number.

It is an amenable number.

420314522420 is an abundant number, since it is smaller than the sum of its proper divisors (535465786840).

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

420314522420 is a wasteful number, since it uses less digits than its factorization.

420314522420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124353444 (or 124353429 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 420314522420 its reverse (24225413024), we get a palindrome (444539935444).

The spelling of 420314522420 in words is "four hundred twenty billion, three hundred fourteen million, five hundred twenty-two thousand, four hundred twenty".