23020001020 has 24 divisors (see below), whose sum is σ = 48344907744. Its totient is φ = 9207446976.

The previous prime is 23020000957. The next prime is 23020001027. The reversal of 23020001020 is 2010002032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 23020000988 and 23020001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020001027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 536274 + ... + 577606.

It is an arithmetic number, because the mean of its divisors is an integer number (2014371156).

Almost surely, 2^23020001020 is an apocalyptic number.

23020001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020001020 is an abundant number, since it is smaller than the sum of its proper divisors (25324906724).

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

23020001020 is a wasteful number, since it uses less digits than its factorization.

23020001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69189 (or 69187 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 23020001020 its reverse (2010002032), we get a palindrome (25030003052).

The spelling of 23020001020 in words is "twenty-three billion, twenty million, one thousand, twenty".