23020204552 has 8 divisors (see below), whose sum is σ = 43162883550. Its totient is φ = 11510102272.

The previous prime is 23020204489. The next prime is 23020204621. The reversal of 23020204552 is 25540202032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18630612036 + 4389592516 = 136494^2 + 66254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438762777 + ... + 1438762792.

Almost surely, 2^23020204552 is an apocalyptic number.

It is an amenable number.

23020204552 is a deficient number, since it is larger than the sum of its proper divisors (20142678998).

23020204552 is a wasteful number, since it uses less digits than its factorization.

23020204552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877525575 (or 2877525571 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 23020204552 its reverse (25540202032), we get a palindrome (48560406584).

The spelling of 23020204552 in words is "twenty-three billion, twenty million, two hundred four thousand, five hundred fifty-two".