20213322311 has 16 divisors (see below), whose sum is σ = 26187302400. Its totient is φ = 15151222368.

The previous prime is 20213322299. The next prime is 20213322313. The reversal of 20213322311 is 11322331202.

It is a cyclic number.

It is not a de Polignac number, because 20213322311 - 2¹⁸ = 20213060167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213322313) 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, 5843651 + ... + 5847108.

It is an arithmetic number, because the mean of its divisors is an integer number (1636706400).

Almost surely, 2^20213322311 is an apocalyptic number.

20213322311 is a deficient number, since it is larger than the sum of its proper divisors (5973980089).

20213322311 is a wasteful number, since it uses less digits than its factorization.

20213322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690798.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20213322311 its reverse (11322331202), we get a palindrome (31535653513).

The spelling of 20213322311 in words is "twenty billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred eleven".