20303301001000 has 32 divisors (see below), whose sum is σ = 47509724344680. Its totient is φ = 8121320400000.

The previous prime is 20303301000889. The next prime is 20303301001021. The reversal of 20303301001000 is 10010330302.

It can be written as a sum of positive squares in 4 ways, for example, as 8123605837636 + 12179695163364 = 2850194^2 + 3489942^2 .

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, 10151649501 + ... + 10151651500.

Almost surely, 2^{20303301001000} is an apocalyptic number.

20303301001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303301001000 is an abundant number, since it is smaller than the sum of its proper divisors (27206423343680).

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

20303301001000 is a wasteful number, since it uses less digits than its factorization.

20303301001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20303301022 (or 20303301008 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20303301001000 its reverse (10010330302), we get a palindrome (20313311331302).

The spelling of 20303301001000 in words is "twenty trillion, three hundred three billion, three hundred one million, one thousand".