20122420314440 has 16 divisors (see below), whose sum is σ = 45275445707580. Its totient is φ = 8048968125760.

The previous prime is 20122420314431. The next prime is 20122420314481. The reversal of 20122420314440 is 4441302422102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19079231808484 + 1043188505956 = 4367978^2 + 1021366^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 251530253891 + ... + 251530253970.

Almost surely, 2^{20122420314440} is an apocalyptic number.

20122420314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122420314440 is an abundant number, since it is smaller than the sum of its proper divisors (25153025393140).

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

20122420314440 is a wasteful number, since it uses less digits than its factorization.

20122420314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503060507872 (or 503060507868 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20122420314440 its reverse (4441302422102), we get a palindrome (24563722736542).

The spelling of 20122420314440 in words is "twenty trillion, one hundred twenty-two billion, four hundred twenty million, three hundred fourteen thousand, four hundred forty".