23120444020 has 24 divisors (see below), whose sum is σ = 48799402344. Its totient is φ = 9201230976.

The previous prime is 23120443991. The next prime is 23120444033. The reversal of 23120444020 is 2044402132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15708611556 + 7411832464 = 125334^2 + 86092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23120443982 and 23120444000.

It is a congruent number.

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, 2930127 + ... + 2938006.

It is an arithmetic number, because the mean of its divisors is an integer number (2033308431).

Almost surely, 2^23120444020 is an apocalyptic number.

23120444020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120444020 is an abundant number, since it is smaller than the sum of its proper divisors (25678958324).

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

23120444020 is a wasteful number, since it uses less digits than its factorization.

23120444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868339 (or 5868337 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23120444020 its reverse (2044402132), we get a palindrome (25164846152).

It can be divided in two parts, 23120 and 444020, that multiplied together give a square (10265742400 = 101320²).

The spelling of 23120444020 in words is "twenty-three billion, one hundred twenty million, four hundred forty-four thousand, twenty".