20233422251 has 8 divisors (see below), whose sum is σ = 23416619520. Its totient is φ = 17123402088.

The previous prime is 20233422233. The next prime is 20233422281. The reversal of 20233422251 is 15222433202.

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 20233422251 - 2¹⁸ = 20233160107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20233422251.

It is not an unprimeable number, because it can be changed into a prime (20233422281) 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, 18293681 + ... + 18294786.

It is an arithmetic number, because the mean of its divisors is an integer number (2927077440).

Almost surely, 2^20233422251 is an apocalyptic number.

20233422251 is a deficient number, since it is larger than the sum of its proper divisors (3183197269).

20233422251 is an equidigital number, since it uses as much as digits as its factorization.

20233422251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36588553.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20233422251 its reverse (15222433202), we get a palindrome (35455855453).

The spelling of 20233422251 in words is "twenty billion, two hundred thirty-three million, four hundred twenty-two thousand, two hundred fifty-one".