20334020140 has 48 divisors (see below), whose sum is σ = 49419417600. Its totient is φ = 6883411392.

The previous prime is 20334020137. The next prime is 20334020149. The reversal of 20334020140 is 4102043302.

It is not an unprimeable number, because it can be changed into a prime (20334020149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908200 + ... + 930319.

It is an arithmetic number, because the mean of its divisors is an integer number (1029571200).

Almost surely, 2^20334020140 is an apocalyptic number.

20334020140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334020140 is an abundant number, since it is smaller than the sum of its proper divisors (29085397460).

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

20334020140 is a wasteful number, since it uses less digits than its factorization.

20334020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838614 (or 1838612 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20334020140 its reverse (4102043302), we get a palindrome (24436063442).

The spelling of 20334020140 in words is "twenty billion, three hundred thirty-four million, twenty thousand, one hundred forty".