20323426267 has 8 divisors (see below), whose sum is σ = 21780218016. Its totient is φ = 18914398272.

The previous prime is 20323426259. The next prime is 20323426297. The reversal of 20323426267 is 76262432302.

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

It is a cyclic number.

It is not a de Polignac number, because 20323426267 - 2³ = 20323426259 is a prime.

It is a super-3 number, since 3×20323426267³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323426297) 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, 11940058 + ... + 11941759.

It is an arithmetic number, because the mean of its divisors is an integer number (2722527252).

Almost surely, 2^20323426267 is an apocalyptic number.

20323426267 is a deficient number, since it is larger than the sum of its proper divisors (1456791749).

20323426267 is a wasteful number, since it uses less digits than its factorization.

20323426267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23881877.

The product of its (nonzero) digits is 145152, while the sum is 37.

Adding to 20323426267 its reverse (76262432302), we get a palindrome (96585858569).

The spelling of 20323426267 in words is "twenty billion, three hundred twenty-three million, four hundred twenty-six thousand, two hundred sixty-seven".