23111203322020 has 48 divisors (see below), whose sum is σ = 53165357473536. Its totient is φ = 8369202240000.

The previous prime is 23111203321979. The next prime is 23111203322029. The reversal of 23111203322020 is 2022330211132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23111203321982 and 23111203322000.

It is not an unprimeable number, because it can be changed into a prime (23111203322029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217894956 + ... + 218000995.

It is an arithmetic number, because the mean of its divisors is an integer number (1107611614032).

Almost surely, 2^{23111203322020} is an apocalyptic number.

23111203322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111203322020 is an abundant number, since it is smaller than the sum of its proper divisors (30054154151516).

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

23111203322020 is a wasteful number, since it uses less digits than its factorization.

23111203322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435896212 (or 435896210 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23111203322020 its reverse (2022330211132), we get a palindrome (25133533533152).

The spelling of 23111203322020 in words is "twenty-three trillion, one hundred eleven billion, two hundred three million, three hundred twenty-two thousand, twenty".