20231101320 has 64 divisors (see below), whose sum is σ = 60804457920. Its totient is φ = 5385080064.

The previous prime is 20231101279. The next prime is 20231101321. The reversal of 20231101320 is 2310113202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20231101320.

It is not an unprimeable number, because it can be changed into a prime (20231101321) 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, 88467 + ... + 219746.

It is an arithmetic number, because the mean of its divisors is an integer number (950069655).

Almost surely, 2^20231101320 is an apocalyptic number.

20231101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231101320 is an abundant number, since it is smaller than the sum of its proper divisors (40573356600).

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

20231101320 is a wasteful number, since it uses less digits than its factorization.

20231101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308774 (or 308770 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20231101320 its reverse (2310113202), we get a palindrome (22541214522).

The spelling of 20231101320 in words is "twenty billion, two hundred thirty-one million, one hundred one thousand, three hundred twenty".