7902112210020 has 144 divisors (see below), whose sum is σ = 27407238243840. Its totient is φ = 1805323500288.

The previous prime is 7902112210007. The next prime is 7902112210021. The reversal of 7902112210020 is 200122112097.

It is not an unprimeable number, because it can be changed into a prime (7902112210021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1091349 + ... + 4122531.

It is an arithmetic number, because the mean of its divisors is an integer number (190328043360).

Almost surely, 2^{7902112210020} is an apocalyptic number.

7902112210020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7902112210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13703619121920).

7902112210020 is an abundant number, since it is smaller than the sum of its proper divisors (19505126033820).

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

7902112210020 is a wasteful number, since it uses less digits than its factorization.

7902112210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033274 (or 3033269 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 7902112210020 in words is "seven trillion, nine hundred two billion, one hundred twelve million, two hundred ten thousand, twenty".