20111030322 has 16 divisors (see below), whose sum is σ = 40224205920. Its totient is φ = 6703319232.

The previous prime is 20111030249. The next prime is 20111030333. The reversal of 20111030322 is 22303011102.

It is a super-2 number, since 2×20111030322² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48954 + ... + 206442.

It is an arithmetic number, because the mean of its divisors is an integer number (2514012870).

Almost surely, 2^20111030322 is an apocalyptic number.

20111030322 is an abundant number, since it is smaller than the sum of its proper divisors (20113175598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111030322 is a wasteful number, since it uses less digits than its factorization.

20111030322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178777.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20111030322 its reverse (22303011102), we get a palindrome (42414041424).

The spelling of 20111030322 in words is "twenty billion, one hundred eleven million, thirty thousand, three hundred twenty-two".