20120202020 has 24 divisors (see below), whose sum is σ = 42256866624. Its totient is φ = 8047234656.

The previous prime is 20120201999. The next prime is 20120202031. The reversal of 20120202020 is 2020202102.

It is a super-3 number, since 3×20120202020³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

20120202020 is a modest number, since divided by 202020 gives 20120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20120201992 and 20120202010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163739 + ... + 258941.

It is an arithmetic number, because the mean of its divisors is an integer number (1760702776).

Almost surely, 2^20120202020 is an apocalyptic number.

20120202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120202020 is an abundant number, since it is smaller than the sum of its proper divisors (22136664604).

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

20120202020 is a wasteful number, since it uses less digits than its factorization.

20120202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105779 (or 105777 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20120202020 its reverse (2020202102), we get a palindrome (22140404122).

The spelling of 20120202020 in words is "twenty billion, one hundred twenty million, two hundred two thousand, twenty".