20203222331 has 8 divisors (see below), whose sum is σ = 22129290720. Its totient is φ = 18359114368.

The previous prime is 20203222321. The next prime is 20203222343. The reversal of 20203222331 is 13322230202.

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

It is not a de Polignac number, because 20203222331 - 2¹⁰ = 20203221307 is a prime.

It is a super-2 number, since 2×20203222331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203222321) 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, 20489591 + ... + 20490576.

It is an arithmetic number, because the mean of its divisors is an integer number (2766161340).

Almost surely, 2^20203222331 is an apocalyptic number.

20203222331 is a deficient number, since it is larger than the sum of its proper divisors (1926068389).

20203222331 is a wasteful number, since it uses less digits than its factorization.

20203222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40980213.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20203222331 its reverse (13322230202), we get a palindrome (33525452533).

The spelling of 20203222331 in words is "twenty billion, two hundred three million, two hundred twenty-two thousand, three hundred thirty-one".