20232313040 has 80 divisors (see below), whose sum is σ = 48375921600. Its totient is φ = 7866203136.

The previous prime is 20232313021. The next prime is 20232313063. The reversal of 20232313040 is 4031323202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395999 + ... + 444161.

It is an arithmetic number, because the mean of its divisors is an integer number (604699020).

Almost surely, 2^20232313040 is an apocalyptic number.

20232313040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232313040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24187960800).

20232313040 is an abundant number, since it is smaller than the sum of its proper divisors (28143608560).

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

20232313040 is a wasteful number, since it uses less digits than its factorization.

20232313040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48324 (or 48318 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20232313040 its reverse (4031323202), we get a palindrome (24263636242).

The spelling of 20232313040 in words is "twenty billion, two hundred thirty-two million, three hundred thirteen thousand, forty".