20303798788 has 24 divisors (see below), whose sum is σ = 43731259712. Its totient is φ = 8032271904.

The previous prime is 20303798773. The next prime is 20303798813. The reversal of 20303798788 is 88789730302.

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, 27889470 + ... + 27890197.

Almost surely, 2^20303798788 is an apocalyptic number.

20303798788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20303798788 is an abundant number, since it is smaller than the sum of its proper divisors (23427460924).

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

20303798788 is a wasteful number, since it uses less digits than its factorization.

20303798788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55779691 (or 55779689 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 20303798788 in words is "twenty billion, three hundred three million, seven hundred ninety-eight thousand, seven hundred eighty-eight".