20220311233 has 8 divisors (see below), whose sum is σ = 21287488320. Its totient is φ = 19153429200.

The previous prime is 20220311231. The next prime is 20220311311. The reversal of 20220311233 is 33211302202.

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 20220311233 - 2¹ = 20220311231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 20220311233.

It is not an unprimeable number, because it can be changed into a prime (20220311231) 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, 74583 + ... + 214483.

It is an arithmetic number, because the mean of its divisors is an integer number (2660936040).

Almost surely, 2^20220311233 is an apocalyptic number.

It is an amenable number.

20220311233 is a deficient number, since it is larger than the sum of its proper divisors (1067177087).

20220311233 is a wasteful number, since it uses less digits than its factorization.

20220311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147527.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20220311233 its reverse (33211302202), we get a palindrome (53431613435).

The spelling of 20220311233 in words is "twenty billion, two hundred twenty million, three hundred eleven thousand, two hundred thirty-three".