20043233140 has 48 divisors (see below), whose sum is σ = 48221510400. Its totient is φ = 6855144192.

The previous prime is 20043233131. The next prime is 20043233149. The reversal of 20043233140 is 4133234002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20043233131) and next prime (20043233149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043233149) 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, 117760 + ... + 232279.

It is an arithmetic number, because the mean of its divisors is an integer number (1004614800).

Almost surely, 2^20043233140 is an apocalyptic number.

20043233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043233140 is an abundant number, since it is smaller than the sum of its proper divisors (28178277260).

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

20043233140 is a wasteful number, since it uses less digits than its factorization.

20043233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350464 (or 350462 counting only the distinct ones).

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

Adding to 20043233140 its reverse (4133234002), we get a palindrome (24176467142).

The spelling of 20043233140 in words is "twenty billion, forty-three million, two hundred thirty-three thousand, one hundred forty".