20111333000004 has 18 divisors (see below), whose sum is σ = 50836980638990. Its totient is φ = 6703777666656.

The previous prime is 20111332999981. The next prime is 20111333000069. The reversal of 20111333000004 is 40000033311102.

It can be written as a sum of positive squares in only one way, i.e., 12118544568900 + 7992788431104 = 3481170^2 + 2827152^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-4 number, since 4×20111333000004⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279324069409 + ... + 279324069480.

Almost surely, 2^{20111333000004} is an apocalyptic number.

It is an amenable number.

20111333000004 is an abundant number, since it is smaller than the sum of its proper divisors (30725647638986).

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

20111333000004 is a wasteful number, since it uses less digits than its factorization.

20111333000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558648138899 (or 558648138894 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20111333000004 its reverse (40000033311102), we get a palindrome (60111366311106).

The spelling of 20111333000004 in words is "twenty trillion, one hundred eleven billion, three hundred thirty-three million, four", and thus it is an aban number.