23001132020 has 24 divisors (see below), whose sum is σ = 49480485768. Its totient is φ = 8976051200.

The previous prime is 23001132013. The next prime is 23001132041. The reversal of 23001132020 is 2023110032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 343657444 + 22657474576 = 18538^2 + 150524^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23001131986 and 23001132004.

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, 14024261 + ... + 14025900.

It is an arithmetic number, because the mean of its divisors is an integer number (2061686907).

Almost surely, 2^23001132020 is an apocalyptic number.

23001132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23001132020 is an abundant number, since it is smaller than the sum of its proper divisors (26479353748).

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

23001132020 is a wasteful number, since it uses less digits than its factorization.

23001132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050211 (or 28050209 counting only the distinct ones).

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

Adding to 23001132020 its reverse (2023110032), we get a palindrome (25024242052).

The spelling of 23001132020 in words is "twenty-three billion, one million, one hundred thirty-two thousand, twenty".