23321120020 has 48 divisors (see below), whose sum is σ = 55749472128. Its totient is φ = 8111692160.

The previous prime is 23321120003. The next prime is 23321120033. The reversal of 23321120020 is 2002112332.

It is a junction number, because it is equal to n+sod(n) for n = 23321119976 and 23321120003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299399 + ... + 2309518.

It is an arithmetic number, because the mean of its divisors is an integer number (1161447336).

Almost surely, 2^23321120020 is an apocalyptic number.

23321120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321120020 is an abundant number, since it is smaller than the sum of its proper divisors (32428352108).

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

23321120020 is a wasteful number, since it uses less digits than its factorization.

23321120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608960 (or 4608958 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23321120020 its reverse (2002112332), we get a palindrome (25323232352).

It can be divided in two parts, 23321 and 120020, that added together give a palindrome (143341).

The spelling of 23321120020 in words is "twenty-three billion, three hundred twenty-one million, one hundred twenty thousand, twenty".