20203275078 has 48 divisors (see below), whose sum is σ = 50062371840. Its totient is φ = 5768301168.

The previous prime is 20203275067. The next prime is 20203275083. The reversal of 20203275078 is 87057230202.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125601 + ... + 237027.

It is an arithmetic number, because the mean of its divisors is an integer number (1042966080).

Almost surely, 2^20203275078 is an apocalyptic number.

20203275078 is an abundant number, since it is smaller than the sum of its proper divisors (29859096762).

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

20203275078 is a wasteful number, since it uses less digits than its factorization.

20203275078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112881 (or 112878 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 20203275078 in words is "twenty billion, two hundred three million, two hundred seventy-five thousand, seventy-eight".