20245375507 has 8 divisors (see below), whose sum is σ = 23762912096. Its totient is φ = 16884173952.

The previous prime is 20245375489. The next prime is 20245375529. The reversal of 20245375507 is 70557354202.

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

It is a cyclic number.

It is not a de Polignac number, because 20245375507 - 2⁷ = 20245375379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20245375507.

It is not an unprimeable number, because it can be changed into a prime (20245375547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39083478 + ... + 39083995.

It is an arithmetic number, because the mean of its divisors is an integer number (2970364012).

Almost surely, 2^20245375507 is an apocalyptic number.

20245375507 is a deficient number, since it is larger than the sum of its proper divisors (3517536589).

20245375507 is an equidigital number, since it uses as much as digits as its factorization.

20245375507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78167517.

The product of its (nonzero) digits is 294000, while the sum is 40.

The spelling of 20245375507 in words is "twenty billion, two hundred forty-five million, three hundred seventy-five thousand, five hundred seven".