2020001201220 has 96 divisors (see below), whose sum is σ = 5895568280448. Its totient is φ = 516285868032.

The previous prime is 2020001201189. The next prime is 2020001201227. The reversal of 2020001201220 is 221021000202.

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

It is a junction number, because it is equal to n+sod(n) for n = 2020001201196 and 2020001201205.

It is not an unprimeable number, because it can be changed into a prime (2020001201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6641637 + ... + 6939116.

It is an arithmetic number, because the mean of its divisors is an integer number (61412169588).

Almost surely, 2^{2020001201220} is an apocalyptic number.

2020001201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020001201220 is an abundant number, since it is smaller than the sum of its proper divisors (3875567079228).

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

2020001201220 is a wasteful number, since it uses less digits than its factorization.

2020001201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580869 (or 13580867 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2020001201220 its reverse (221021000202), we get a palindrome (2241022201422).

The spelling of 2020001201220 in words is "two trillion, twenty billion, one million, two hundred one thousand, two hundred twenty".