20022131211 has 8 divisors (see below), whose sum is σ = 26702830224. Its totient is φ = 13344759840.

The previous prime is 20022131179. The next prime is 20022131257. The reversal of 20022131211 is 11213122002.

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

It is not a de Polignac number, because 20022131211 - 2⁵ = 20022131179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022131911) 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 7 ways as a sum of consecutive naturals, for example, 817836 + ... + 841961.

It is an arithmetic number, because the mean of its divisors is an integer number (3337853778).

Almost surely, 2^20022131211 is an apocalyptic number.

20022131211 is a deficient number, since it is larger than the sum of its proper divisors (6680699013).

20022131211 is a wasteful number, since it uses less digits than its factorization.

20022131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663821.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20022131211 its reverse (11213122002), we get a palindrome (31235253213).

The spelling of 20022131211 in words is "twenty billion, twenty-two million, one hundred thirty-one thousand, two hundred eleven".