20334042140 has 12 divisors (see below), whose sum is σ = 42701488536. Its totient is φ = 8133616848.

The previous prime is 20334042109. The next prime is 20334042163. The reversal of 20334042140 is 4124043302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508351034 + ... + 508351073.

It is an arithmetic number, because the mean of its divisors is an integer number (3558457378).

Almost surely, 2^20334042140 is an apocalyptic number.

20334042140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334042140 is an abundant number, since it is smaller than the sum of its proper divisors (22367446396).

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

20334042140 is a wasteful number, since it uses less digits than its factorization.

20334042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016702116 (or 1016702114 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20334042140 its reverse (4124043302), we get a palindrome (24458085442).

The spelling of 20334042140 in words is "twenty billion, three hundred thirty-four million, forty-two thousand, one hundred forty".