23240232020 has 24 divisors (see below), whose sum is σ = 48876605064. Its totient is φ = 9282356096.

The previous prime is 23240232013. The next prime is 23240232049. The reversal of 23240232020 is 2023204232.

It can be written as a sum of positive squares in 4 ways, for example, as 5743820944 + 17496411076 = 75788^2 + 132274^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23240231983 and 23240232001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844667 + ... + 871746.

It is an arithmetic number, because the mean of its divisors is an integer number (2036525211).

Almost surely, 2^23240232020 is an apocalyptic number.

23240232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240232020 is an abundant number, since it is smaller than the sum of its proper divisors (25636373044).

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

23240232020 is a wasteful number, since it uses less digits than its factorization.

23240232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717099 (or 1717097 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23240232020 its reverse (2023204232), we get a palindrome (25263436252).

The spelling of 23240232020 in words is "twenty-three billion, two hundred forty million, two hundred thirty-two thousand, twenty".