20222040311 has 32 divisors (see below), whose sum is σ = 24260622336. Its totient is φ = 16640640000.

The previous prime is 20222040283. The next prime is 20222040329. The reversal of 20222040311 is 11304022202.

It is a cyclic number.

It is not a de Polignac number, because 20222040311 - 2²² = 20217846007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222040311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222040331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934211 + ... + 955611.

It is an arithmetic number, because the mean of its divisors is an integer number (758144448).

Almost surely, 2^20222040311 is an apocalyptic number.

20222040311 is a deficient number, since it is larger than the sum of its proper divisors (4038582025).

20222040311 is a wasteful number, since it uses less digits than its factorization.

20222040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20222040311 its reverse (11304022202), we get a palindrome (31526062513).

The spelling of 20222040311 in words is "twenty billion, two hundred twenty-two million, forty thousand, three hundred eleven".