20314222140 has 24 divisors (see below), whose sum is σ = 56879822160. Its totient is φ = 5417125888.

The previous prime is 20314222139. The next prime is 20314222157. The reversal of 20314222140 is 4122241302.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 169285125 + ... + 169285244.

It is an arithmetic number, because the mean of its divisors is an integer number (2369992590).

Almost surely, 2^20314222140 is an apocalyptic number.

20314222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20314222140 is an abundant number, since it is smaller than the sum of its proper divisors (36565600020).

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

20314222140 is a wasteful number, since it uses less digits than its factorization.

20314222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338570381 (or 338570379 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20314222140 its reverse (4122241302), we get a palindrome (24436463442).

The spelling of 20314222140 in words is "twenty billion, three hundred fourteen million, two hundred twenty-two thousand, one hundred forty".