20202200121020 has 48 divisors (see below), whose sum is σ = 46197408650400. Its totient is φ = 7391585376000.

The previous prime is 20202200120953. The next prime is 20202200121029. The reversal of 20202200121020 is 2012100220202.

It is a junction number, because it is equal to n+sod(n) for n = 20202200120986 and 20202200121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202200121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916604231 + ... + 916626270.

It is an arithmetic number, because the mean of its divisors is an integer number (962446013550).

Almost surely, 2^{20202200121020} is an apocalyptic number.

20202200121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202200121020 is an abundant number, since it is smaller than the sum of its proper divisors (25995208529380).

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

20202200121020 is a wasteful number, since it uses less digits than its factorization.

20202200121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833230558 (or 1833230556 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202200121020 its reverse (2012100220202), we get a palindrome (22214300341222).

The spelling of 20202200121020 in words is "twenty trillion, two hundred two billion, two hundred million, one hundred twenty-one thousand, twenty".