20245173754 has 8 divisors (see below), whose sum is σ = 32703742260. Its totient is φ = 9343926336.

The previous prime is 20245173743. The next prime is 20245173763. The reversal of 20245173754 is 45737154202.

It can be written as a sum of positive squares in 2 ways, for example, as 18329098225 + 1916075529 = 135385^2 + 43773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389330239 + ... + 389330290.

Almost surely, 2^20245173754 is an apocalyptic number.

20245173754 is a deficient number, since it is larger than the sum of its proper divisors (12458568506).

20245173754 is a wasteful number, since it uses less digits than its factorization.

20245173754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778660544.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 20245173754 in words is "twenty billion, two hundred forty-five million, one hundred seventy-three thousand, seven hundred fifty-four".