20111140322 has 64 divisors (see below), whose sum is σ = 38375866368. Its totient is φ = 7689384000.

The previous prime is 20111140319. The next prime is 20111140339. The reversal of 20111140322 is 22304111102.

It is a self number, because there is not a number n which added to its sum of digits gives 20111140322.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5476547 + ... + 5480217.

It is an arithmetic number, because the mean of its divisors is an integer number (599622912).

Almost surely, 2^20111140322 is an apocalyptic number.

20111140322 is a deficient number, since it is larger than the sum of its proper divisors (18264726046).

20111140322 is a wasteful number, since it uses less digits than its factorization.

20111140322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20111140322 its reverse (22304111102), we get a palindrome (42415251424).

The spelling of 20111140322 in words is "twenty billion, one hundred eleven million, one hundred forty thousand, three hundred twenty-two".