20010020220220 has 36 divisors (see below), whose sum is σ = 43927479194760. Its totient is φ = 7656007732384.

The previous prime is 20010020220193. The next prime is 20010020220313. The reversal of 20010020220220 is 2202202001002.

It is a super-3 number, since 3×20010020220220³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20010020220220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945642550 + ... + 945663709.

It is an arithmetic number, because the mean of its divisors is an integer number (1220207755410).

Almost surely, 2^{20010020220220} is an apocalyptic number.

20010020220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010020220220 is an abundant number, since it is smaller than the sum of its proper divisors (23917458974540).

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

20010020220220 is a wasteful number, since it uses less digits than its factorization.

20010020220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891306314 (or 1891306289 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20010020220220 its reverse (2202202001002), we get a palindrome (22212222221222).

The spelling of 20010020220220 in words is "twenty trillion, ten billion, twenty million, two hundred twenty thousand, two hundred twenty".