20022112311 has 16 divisors (see below), whose sum is σ = 26847851520. Its totient is φ = 13272367680.

The previous prime is 20022112309. The next prime is 20022112337. The reversal of 20022112311 is 11321122002.

It is not a de Polignac number, because 20022112311 - 2¹ = 20022112309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022112351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557251 + ... + 592091.

It is an arithmetic number, because the mean of its divisors is an integer number (1677990720).

Almost surely, 2^20022112311 is an apocalyptic number.

20022112311 is a deficient number, since it is larger than the sum of its proper divisors (6825739209).

20022112311 is a wasteful number, since it uses less digits than its factorization.

20022112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35926.

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

Adding to 20022112311 its reverse (11321122002), we get a palindrome (31343234313).

The spelling of 20022112311 in words is "twenty billion, twenty-two million, one hundred twelve thousand, three hundred eleven".