23001030020 has 24 divisors (see below), whose sum is σ = 49607628504. Its totient is φ = 8951751936.

The previous prime is 23001030007. The next prime is 23001030061. The reversal of 23001030020 is 2003010032.

It can be written as a sum of positive squares in 4 ways, for example, as 5739274564 + 17261755456 = 75758^2 + 131384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23001029983 and 23001030010.

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, 15540497 + ... + 15541976.

It is an arithmetic number, because the mean of its divisors is an integer number (2066984521).

Almost surely, 2^23001030020 is an apocalyptic number.

23001030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23001030020 is an abundant number, since it is smaller than the sum of its proper divisors (26606598484).

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

23001030020 is a wasteful number, since it uses less digits than its factorization.

23001030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082519 (or 31082517 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 23001030020 its reverse (2003010032), we get a palindrome (25004040052).

The spelling of 23001030020 in words is "twenty-three billion, one million, thirty thousand, twenty".