20238375914 has 4 divisors (see below), whose sum is σ = 30357563874. Its totient is φ = 10119187956.

The previous prime is 20238375881. The next prime is 20238375919. The reversal of 20238375914 is 41957383202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13251923689 + 6986452225 = 115117^2 + 83585^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20238375919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5059593977 + ... + 5059593980.

Almost surely, 2^20238375914 is an apocalyptic number.

20238375914 is a deficient number, since it is larger than the sum of its proper divisors (10119187960).

20238375914 is a wasteful number, since it uses less digits than its factorization.

20238375914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119187959.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 20238375914 in words is "twenty billion, two hundred thirty-eight million, three hundred seventy-five thousand, nine hundred fourteen".