1120001020020 has 48 divisors (see below), whose sum is σ = 3484447619520. Its totient is φ = 298666938528.

The previous prime is 1120001019967. The next prime is 1120001020037. The reversal of 1120001020020 is 200201000211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1120001019984 and 1120001020011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037037442 + ... + 1037038521.

It is an arithmetic number, because the mean of its divisors is an integer number (72592658740).

Almost surely, 2^{1120001020020} is an apocalyptic number.

1120001020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120001020020 is an abundant number, since it is smaller than the sum of its proper divisors (2364446599500).

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

1120001020020 is a wasteful number, since it uses less digits than its factorization.

1120001020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074075981 (or 2074075973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1120001020020 its reverse (200201000211), we get a palindrome (1320202020231).

The spelling of 1120001020020 in words is "one trillion, one hundred twenty billion, one million, twenty thousand, twenty".