20332100231 has 4 divisors (see below), whose sum is σ = 20987974464. Its totient is φ = 19676226000.

The previous prime is 20332100221. The next prime is 20332100237. The reversal of 20332100231 is 13200123302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20332100231 - 2¹⁴ = 20332083847 is a prime.

It is a super-2 number, since 2×20332100231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332100237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327937070 + ... + 327937131.

It is an arithmetic number, because the mean of its divisors is an integer number (5246993616).

Almost surely, 2^20332100231 is an apocalyptic number.

20332100231 is a deficient number, since it is larger than the sum of its proper divisors (655874233).

20332100231 is an equidigital number, since it uses as much as digits as its factorization.

20332100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655874232.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20332100231 its reverse (13200123302), we get a palindrome (33532223533).

The spelling of 20332100231 in words is "twenty billion, three hundred thirty-two million, one hundred thousand, two hundred thirty-one".