2020404121220 has 24 divisors (see below), whose sum is σ = 4244519832000. Its totient is φ = 807843328992.

The previous prime is 2020404121201. The next prime is 2020404121277. The reversal of 2020404121220 is 221214040202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2020404121192 and 2020404121201.

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, 19842920 + ... + 19944479.

It is an arithmetic number, because the mean of its divisors is an integer number (176854993000).

Almost surely, 2^{2020404121220} is an apocalyptic number.

2020404121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020404121220 is an abundant number, since it is smaller than the sum of its proper divisors (2224115710780).

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

2020404121220 is a wasteful number, since it uses less digits than its factorization.

2020404121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39789947 (or 39789945 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2020404121220 its reverse (221214040202), we get a palindrome (2241618161422).

The spelling of 2020404121220 in words is "two trillion, twenty billion, four hundred four million, one hundred twenty-one thousand, two hundred twenty".