20202103131220 has 48 divisors (see below), whose sum is σ = 43094495017728. Its totient is φ = 7953591134720.

The previous prime is 20202103131211. The next prime is 20202103131269. The reversal of 20202103131220 is 2213130120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11153584 + ... + 12837703.

It is an arithmetic number, because the mean of its divisors is an integer number (897801979536).

Almost surely, 2^{20202103131220} is an apocalyptic number.

20202103131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202103131220 is an abundant number, since it is smaller than the sum of its proper divisors (22892391886508).

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

20202103131220 is a wasteful number, since it uses less digits than its factorization.

20202103131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991960 (or 23991958 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20202103131220 its reverse (2213130120202), we get a palindrome (22415233251422).

The spelling of 20202103131220 in words is "twenty trillion, two hundred two billion, one hundred three million, one hundred thirty-one thousand, two hundred twenty".