20332012111331 has 8 divisors (see below), whose sum is σ = 20352218804064. Its totient is φ = 20311806362560.

The previous prime is 20332012111309. The next prime is 20332012111379. The reversal of 20332012111331 is 13311121023302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332012111331 is a prime.

It is a super-2 number, since 2×20332012111331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332012111297 and 20332012111306.

It is not an unprimeable number, because it can be changed into a prime (20332012411331) 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, 47684921 + ... + 48109413.

It is an arithmetic number, because the mean of its divisors is an integer number (2544027350508).

Almost surely, 2^{20332012111331} is an apocalyptic number.

20332012111331 is a deficient number, since it is larger than the sum of its proper divisors (20206692733).

20332012111331 is a wasteful number, since it uses less digits than its factorization.

20332012111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471981.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20332012111331 its reverse (13311121023302), we get a palindrome (33643133134633).

The spelling of 20332012111331 in words is "twenty trillion, three hundred thirty-two billion, twelve million, one hundred eleven thousand, three hundred thirty-one".