12020000022020 has 96 divisors (see below), whose sum is σ = 27078530169600. Its totient is φ = 4472889168384.

The previous prime is 12020000021989. The next prime is 12020000022067. The reversal of 12020000022020 is 2022000002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020000021992 and 12020000022010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508610 + ... + 4929369.

It is an arithmetic number, because the mean of its divisors is an integer number (282068022600).

Almost surely, 2^{12020000022020} is an apocalyptic number.

12020000022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020000022020 is an abundant number, since it is smaller than the sum of its proper divisors (15058530147580).

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

12020000022020 is a wasteful number, since it uses less digits than its factorization.

12020000022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438157 (or 5438155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12020000022020 its reverse (2022000002021), we get a palindrome (14042000024041).

The spelling of 12020000022020 in words is "twelve trillion, twenty billion, twenty-two thousand, twenty".