20332343140 has 24 divisors (see below), whose sum is σ = 42705045432. Its totient is φ = 8131580160.

The previous prime is 20332343117. The next prime is 20332343153. The reversal of 20332343140 is 4134323302.

It can be written as a sum of positive squares in 4 ways, for example, as 238146624 + 20094196516 = 15432^2 + 141754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42712 + ... + 206128.

It is an arithmetic number, because the mean of its divisors is an integer number (1779376893).

Almost surely, 2^20332343140 is an apocalyptic number.

20332343140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332343140 is an abundant number, since it is smaller than the sum of its proper divisors (22372702292).

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

20332343140 is a wasteful number, since it uses less digits than its factorization.

20332343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169647 (or 169645 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20332343140 its reverse (4134323302), we get a palindrome (24466666442).

The spelling of 20332343140 in words is "twenty billion, three hundred thirty-two million, three hundred forty-three thousand, one hundred forty".