20123032013320 has 32 divisors (see below), whose sum is σ = 45280834459200. Its totient is φ = 8048499484608.

The previous prime is 20123032013297. The next prime is 20123032013327. The reversal of 20123032013320 is 2331023032102.

It is a junction number, because it is equal to n+sod(n) for n = 20123032013291 and 20123032013300.

It is not an unprimeable number, because it can be changed into a prime (20123032013327) 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, 21834150 + ... + 22737109.

It is an arithmetic number, because the mean of its divisors is an integer number (1415026076850).

Almost surely, 2^{20123032013320} is an apocalyptic number.

20123032013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123032013320 is an abundant number, since it is smaller than the sum of its proper divisors (25157802445880).

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

20123032013320 is a wasteful number, since it uses less digits than its factorization.

20123032013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44582557 (or 44582553 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20123032013320 its reverse (2331023032102), we get a palindrome (22454055045422).

The spelling of 20123032013320 in words is "twenty trillion, one hundred twenty-three billion, thirty-two million, thirteen thousand, three hundred twenty".