20202020020220 has 12 divisors (see below), whose sum is σ = 42424242042504. Its totient is φ = 8080808008080.

The previous prime is 20202020020201. The next prime is 20202020020243. The reversal of 20202020020220 is 2202002020202.

It is a happy number.

It is a super-2 number, since 2×20202020020220² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20202020020195 and 20202020020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505050500486 + ... + 505050500525.

It is an arithmetic number, because the mean of its divisors is an integer number (3535353503542).

Almost surely, 2^{20202020020220} is an apocalyptic number.

20202020020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202020020220 is an abundant number, since it is smaller than the sum of its proper divisors (22222222022284).

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

20202020020220 is a wasteful number, since it uses less digits than its factorization.

20202020020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010101001020 (or 1010101001018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20202020020220 its reverse (2202002020202), we get a palindrome (22404022040422).

The spelling of 20202020020220 in words is "twenty trillion, two hundred two billion, twenty million, twenty thousand, two hundred twenty".