23223320020 has 24 divisors (see below), whose sum is σ = 49316941800. Its totient is φ = 9184952832.

The previous prime is 23223320009. The next prime is 23223320047. The reversal of 23223320020 is 2002332232.

It can be written as a sum of positive squares in 4 ways, for example, as 1429293636 + 21794026384 = 37806^2 + 147628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23223320020.

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, 6521625 + ... + 6525184.

It is an arithmetic number, because the mean of its divisors is an integer number (2054872575).

Almost surely, 2^23223320020 is an apocalyptic number.

23223320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23223320020 is an abundant number, since it is smaller than the sum of its proper divisors (26093621780).

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

23223320020 is a wasteful number, since it uses less digits than its factorization.

23223320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13046907 (or 13046905 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 23223320020 its reverse (2002332232), we get a palindrome (25225652252).

The spelling of 23223320020 in words is "twenty-three billion, two hundred twenty-three million, three hundred twenty thousand, twenty".