20474308375 has 32 divisors (see below), whose sum is σ = 26202496320. Its totient is φ = 15963264000.

The previous prime is 20474308373. The next prime is 20474308399. The reversal of 20474308375 is 57380347402.

It is not a de Polignac number, because 20474308375 - 2¹ = 20474308373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20474308373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7629784 + ... + 7632466.

It is an arithmetic number, because the mean of its divisors is an integer number (818828010).

Almost surely, 2^20474308375 is an apocalyptic number.

20474308375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20474308375 is a deficient number, since it is larger than the sum of its proper divisors (5728187945).

20474308375 is a wasteful number, since it uses less digits than its factorization.

20474308375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 20474308375 in words is "twenty billion, four hundred seventy-four million, three hundred eight thousand, three hundred seventy-five".