1111204000020 has 24 divisors (see below), whose sum is σ = 3111371200224. Its totient is φ = 296321066656.

The previous prime is 1111204000001. The next prime is 1111204000031. The reversal of 1111204000020 is 200004021111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 9260033274 + ... + 9260033393.

It is an arithmetic number, because the mean of its divisors is an integer number (129640466676).

Almost surely, 2^{1111204000020} is an apocalyptic number.

1111204000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111204000020 is an abundant number, since it is smaller than the sum of its proper divisors (2000167200204).

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

1111204000020 is a wasteful number, since it uses less digits than its factorization.

1111204000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520066679 (or 18520066677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1111204000020 its reverse (200004021111), we get a palindrome (1311208021131).

The spelling of 1111204000020 in words is "one trillion, one hundred eleven billion, two hundred four million, twenty", and thus it is an aban number.