20000233331 has 4 divisors (see below), whose sum is σ = 21538712832. Its totient is φ = 18461753832.

The previous prime is 20000233289. The next prime is 20000233373. The reversal of 20000233331 is 13333200002.

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

It is an interprime number because it is at equal distance from previous prime (20000233289) and next prime (20000233373).

It is a cyclic number.

It is not a de Polignac number, because 20000233331 - 2¹⁴ = 20000216947 is a prime.

It is a super-2 number, since 2×20000233331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000236331) 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, 769239731 + ... + 769239756.

It is an arithmetic number, because the mean of its divisors is an integer number (5384678208).

Almost surely, 2^20000233331 is an apocalyptic number.

20000233331 is a deficient number, since it is larger than the sum of its proper divisors (1538479501).

20000233331 is a wasteful number, since it uses less digits than its factorization.

20000233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538479500.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20000233331 its reverse (13333200002), we get a palindrome (33333433333).

The spelling of 20000233331 in words is "twenty billion, two hundred thirty-three thousand, three hundred thirty-one".