20002220202220 has 24 divisors (see below), whose sum is σ = 42049877385600. Its totient is φ = 7992275707392.

The previous prime is 20002220202127. The next prime is 20002220202227. The reversal of 20002220202220 is 2220202220002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20002220202194 and 20002220202203.

It is not an unprimeable number, because it can be changed into a prime (20002220202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538254300 + ... + 538291459.

It is an arithmetic number, because the mean of its divisors is an integer number (1752078224400).

Almost surely, 2^{20002220202220} is an apocalyptic number.

20002220202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002220202220 is an abundant number, since it is smaller than the sum of its proper divisors (22047657183380).

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

20002220202220 is a wasteful number, since it uses less digits than its factorization.

20002220202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076546697 (or 1076546695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20002220202220 its reverse (2220202220002), we get a palindrome (22222422422222).

The spelling of 20002220202220 in words is "twenty trillion, two billion, two hundred twenty million, two hundred two thousand, two hundred twenty".