20203111322 has 8 divisors (see below), whose sum is σ = 30336008736. Its totient is φ = 10091108412.

The previous prime is 20203111283. The next prime is 20203111337. The reversal of 20203111322 is 22311130202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20203111322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5221208 + ... + 5225075.

It is an arithmetic number, because the mean of its divisors is an integer number (3792001092).

Almost surely, 2^20203111322 is an apocalyptic number.

20203111322 is a deficient number, since it is larger than the sum of its proper divisors (10132897414).

20203111322 is a wasteful number, since it uses less digits than its factorization.

20203111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447252.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20203111322 its reverse (22311130202), we get a palindrome (42514241524).

The spelling of 20203111322 in words is "twenty billion, two hundred three million, one hundred eleven thousand, three hundred twenty-two".