20232331240 has 32 divisors (see below), whose sum is σ = 49661177760. Its totient is φ = 7357211200.

The previous prime is 20232331201. The next prime is 20232331267. The reversal of 20232331240 is 4213323202.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 22990846 + ... + 22991725.

It is an arithmetic number, because the mean of its divisors is an integer number (1551911805).

Almost surely, 2^20232331240 is an apocalyptic number.

20232331240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232331240 is an abundant number, since it is smaller than the sum of its proper divisors (29428846520).

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

20232331240 is a wasteful number, since it uses less digits than its factorization.

20232331240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45982593 (or 45982589 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20232331240 its reverse (4213323202), we get a palindrome (24445654442).

The spelling of 20232331240 in words is "twenty billion, two hundred thirty-two million, three hundred thirty-one thousand, two hundred forty".