13211120232020 has 24 divisors (see below), whose sum is σ = 27745231847424. Its totient is φ = 5284090119456.

The previous prime is 13211120232007. The next prime is 13211120232029. The reversal of 13211120232020 is 2023202111231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13211120231983 and 13211120232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211120232029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22070612 + ... + 22661291.

It is an arithmetic number, because the mean of its divisors is an integer number (1156051326976).

Almost surely, 2^{13211120232020} is an apocalyptic number.

13211120232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211120232020 is an abundant number, since it is smaller than the sum of its proper divisors (14534111615404).

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

13211120232020 is a wasteful number, since it uses less digits than its factorization.

13211120232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44746679 (or 44746677 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13211120232020 its reverse (2023202111231), we get a palindrome (15234322343251).

The spelling of 13211120232020 in words is "thirteen trillion, two hundred eleven billion, one hundred twenty million, two hundred thirty-two thousand, twenty".