23020052664 has 128 divisors (see below), whose sum is σ = 68003942400. Its totient is φ = 6354616320.

The previous prime is 23020052663. The next prime is 23020052669. The reversal of 23020052664 is 46625002032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020052663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3522552 + ... + 3529080.

It is an arithmetic number, because the mean of its divisors is an integer number (531280800).

Almost surely, 2^23020052664 is an apocalyptic number.

23020052664 is a gapful number since it is divisible by the number (24) 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 23020052664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34001971200).

23020052664 is an abundant number, since it is smaller than the sum of its proper divisors (44983889736).

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

23020052664 is a wasteful number, since it uses less digits than its factorization.

23020052664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253 (or 7249 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23020052664 its reverse (46625002032), we get a palindrome (69645054696).

The spelling of 23020052664 in words is "twenty-three billion, twenty million, fifty-two thousand, six hundred sixty-four".