20002020020220 has 96 divisors (see below), whose sum is σ = 64725637939200. Its totient is φ = 4520520728064.

The previous prime is 20002020020111. The next prime is 20002020020263. The reversal of 20002020020220 is 2202002020002.

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 = 20002020020196 and 20002020020205.

It is a congruent number.

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, 267512380 + ... + 267587139.

It is an arithmetic number, because the mean of its divisors is an integer number (674225395200).

Almost surely, 2^{20002020020220} is an apocalyptic number.

20002020020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002020020220 is an abundant number, since it is smaller than the sum of its proper divisors (44723617918980).

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

20002020020220 is a wasteful number, since it uses less digits than its factorization.

20002020020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535099627 (or 535099625 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20002020020220 its reverse (2202002020002), we get a palindrome (22204022040222).

The spelling of 20002020020220 in words is "twenty trillion, two billion, twenty million, twenty thousand, two hundred twenty".