23020011320 has 16 divisors (see below), whose sum is σ = 51795025560. Its totient is φ = 9208004512.

The previous prime is 23020011299. The next prime is 23020011347. The reversal of 23020011320 is 2311002032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23020011295 and 23020011304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287750102 + ... + 287750181.

Almost surely, 2^23020011320 is an apocalyptic number.

23020011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020011320 is an abundant number, since it is smaller than the sum of its proper divisors (28775014240).

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

23020011320 is a wasteful number, since it uses less digits than its factorization.

23020011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575500294 (or 575500290 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23020011320 its reverse (2311002032), we get a palindrome (25331013352).

The spelling of 23020011320 in words is "twenty-three billion, twenty million, eleven thousand, three hundred twenty".