20200102122220 has 12 divisors (see below), whose sum is σ = 42420214456704. Its totient is φ = 8080040848880.

The previous prime is 20200102122209. The next prime is 20200102122223. The reversal of 20200102122220 is 2222120100202.

It is a super-3 number, since 3×20200102122220³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20200102122194 and 20200102122203.

It is not an unprimeable number, because it can be changed into a prime (20200102122223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505002553036 + ... + 505002553075.

It is an arithmetic number, because the mean of its divisors is an integer number (3535017871392).

Almost surely, 2^{20200102122220} is an apocalyptic number.

20200102122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200102122220 is an abundant number, since it is smaller than the sum of its proper divisors (22220112334484).

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

20200102122220 is a wasteful number, since it uses less digits than its factorization.

20200102122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010005106120 (or 1010005106118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20200102122220 its reverse (2222120100202), we get a palindrome (22422222222422).

The spelling of 20200102122220 in words is "twenty trillion, two hundred billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty".