20332230312331 has 16 divisors (see below), whose sum is σ = 23247375888384. Its totient is φ = 17419721878944.

The previous prime is 20332230312307. The next prime is 20332230312353. The reversal of 20332230312331 is 13321303223302.

It is not a de Polignac number, because 20332230312331 - 2²⁷ = 20332096094603 is a prime.

It is a super-2 number, since 2×20332230312331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332230312331.

It is not an unprimeable number, because it can be changed into a prime (20332230322331) 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, 141550110 + ... + 141693676.

It is an arithmetic number, because the mean of its divisors is an integer number (1452960993024).

Almost surely, 2^{20332230312331} is an apocalyptic number.

20332230312331 is a deficient number, since it is larger than the sum of its proper divisors (2915145576053).

20332230312331 is a wasteful number, since it uses less digits than its factorization.

20332230312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152610.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20332230312331 its reverse (13321303223302), we get a palindrome (33653533535633).

The spelling of 20332230312331 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty million, three hundred twelve thousand, three hundred thirty-one".