20303322201988 has 24 divisors (see below), whose sum is σ = 40606850995200. Its totient is φ = 8701379531328.

The previous prime is 20303322201979. The next prime is 20303322201997. The reversal of 20303322201988 is 88910222330302.

It is an interprime number because it is at equal distance from previous prime (20303322201979) and next prime (20303322201997).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092528 + ... + 7573336.

It is an arithmetic number, because the mean of its divisors is an integer number (1691952124800).

Almost surely, 2^{20303322201988} is an apocalyptic number.

20303322201988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20303322201988 is an abundant number, since it is smaller than the sum of its proper divisors (20303528793212).

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

20303322201988 is a wasteful number, since it uses less digits than its factorization.

20303322201988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689139 (or 3689137 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 20303322201988 in words is "twenty trillion, three hundred three billion, three hundred twenty-two million, two hundred one thousand, nine hundred eighty-eight".