20303111000 has 32 divisors (see below), whose sum is σ = 47509282080. Its totient is φ = 8121244000.

The previous prime is 20303110967. The next prime is 20303111021. The reversal of 20303111000 is 11130302.

It is a congruent number.

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, 10150556 + ... + 10152555.

It is an arithmetic number, because the mean of its divisors is an integer number (1484665065).

Almost surely, 2^20303111000 is an apocalyptic number.

20303111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303111000 is an abundant number, since it is smaller than the sum of its proper divisors (27206171080).

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

20303111000 is a wasteful number, since it uses less digits than its factorization.

20303111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20303132 (or 20303118 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20303111000 its reverse (11130302), we get a palindrome (20314241302).

The spelling of 20303111000 in words is "twenty billion, three hundred three million, one hundred eleven thousand".