20330032002231 has 32 divisors (see below), whose sum is σ = 31053413449728. Its totient is φ = 11589296490720.

The previous prime is 20330032002221. The next prime is 20330032002311. The reversal of 20330032002231 is 13220023003302.

It is not a de Polignac number, because 20330032002231 - 2⁷ = 20330032002103 is a prime.

It is a super-2 number, since 2×20330032002231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20330032002198 and 20330032002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330032002221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124885816 + ... + 125048498.

It is an arithmetic number, because the mean of its divisors is an integer number (970419170304).

Almost surely, 2^{20330032002231} is an apocalyptic number.

20330032002231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20330032002231 is a deficient number, since it is larger than the sum of its proper divisors (10723381447497).

20330032002231 is a wasteful number, since it uses less digits than its factorization.

20330032002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176931.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20330032002231 its reverse (13220023003302), we get a palindrome (33550055005533).

The spelling of 20330032002231 in words is "twenty trillion, three hundred thirty billion, thirty-two million, two thousand, two hundred thirty-one".