20110311332 has 24 divisors (see below), whose sum is σ = 35406020160. Its totient is φ = 9994358240.

The previous prime is 20110311329. The next prime is 20110311343. The reversal of 20110311332 is 23311301102.

It is a super-2 number, since 2×20110311332² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20110311332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957433 + ... + 1967679.

It is an arithmetic number, because the mean of its divisors is an integer number (1475250840).

Almost surely, 2^20110311332 is an apocalyptic number.

It is an amenable number.

20110311332 is a deficient number, since it is larger than the sum of its proper divisors (15295708828).

20110311332 is a wasteful number, since it uses less digits than its factorization.

20110311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171 (or 13169 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20110311332 its reverse (23311301102), we get a palindrome (43421612434).

The spelling of 20110311332 in words is "twenty billion, one hundred ten million, three hundred eleven thousand, three hundred thirty-two".