20022002331 has 16 divisors (see below), whose sum is σ = 28273557024. Its totient is φ = 12559624704.

The previous prime is 20022002321. The next prime is 20022002383. The reversal of 20022002331 is 13320022002.

It is not a de Polignac number, because 20022002331 - 2¹⁸ = 20021740187 is a prime.

It is a super-2 number, since 2×20022002331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20022002331.

It is not an unprimeable number, because it can be changed into a prime (20022002321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160785 + ... + 256701.

It is an arithmetic number, because the mean of its divisors is an integer number (1767097314).

Almost surely, 2^20022002331 is an apocalyptic number.

20022002331 is a deficient number, since it is larger than the sum of its proper divisors (8251554693).

20022002331 is a wasteful number, since it uses less digits than its factorization.

20022002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100030.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20022002331 its reverse (13320022002), we get a palindrome (33342024333).

The spelling of 20022002331 in words is "twenty billion, twenty-two million, two thousand, three hundred thirty-one".