20235174375 has 160 divisors (see below), whose sum is σ = 39299420160. Its totient is φ = 9167616000.

The previous prime is 20235174373. The next prime is 20235174383. The reversal of 20235174375 is 57347153202.

It is not a de Polignac number, because 20235174375 - 2¹ = 20235174373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235174371) 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 159 ways as a sum of consecutive naturals, for example, 19475106 + ... + 19476144.

It is an arithmetic number, because the mean of its divisors is an integer number (245621376).

Almost surely, 2^20235174375 is an apocalyptic number.

20235174375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20235174375 is a deficient number, since it is larger than the sum of its proper divisors (19064245785).

20235174375 is a wasteful number, since it uses less digits than its factorization.

20235174375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 20235174375 in words is "twenty billion, two hundred thirty-five million, one hundred seventy-four thousand, three hundred seventy-five".