20014422140 has 24 divisors (see below), whose sum is σ = 42402240720. Its totient is φ = 7934920448.

The previous prime is 20014422139. The next prime is 20014422163. The reversal of 20014422140 is 4122441002.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4425710 + ... + 4430229.

It is an arithmetic number, because the mean of its divisors is an integer number (1766760030).

Almost surely, 2^20014422140 is an apocalyptic number.

20014422140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014422140 is an abundant number, since it is smaller than the sum of its proper divisors (22387818580).

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

20014422140 is a wasteful number, since it uses less digits than its factorization.

20014422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856061 (or 8856059 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20014422140 its reverse (4122441002), we get a palindrome (24136863142).

The spelling of 20014422140 in words is "twenty billion, fourteen million, four hundred twenty-two thousand, one hundred forty".