20445627507 has 8 divisors (see below), whose sum is σ = 28864415376. Its totient is φ = 12828628992.

The previous prime is 20445627491. The next prime is 20445627523. The reversal of 20445627507 is 70572654402.

It is an interprime number because it is at equal distance from previous prime (20445627491) and next prime (20445627523).

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

It is not a de Polignac number, because 20445627507 - 2⁴ = 20445627491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20445697507) 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, 200447278 + ... + 200447379.

It is an arithmetic number, because the mean of its divisors is an integer number (3608051922).

Almost surely, 2^20445627507 is an apocalyptic number.

20445627507 is a deficient number, since it is larger than the sum of its proper divisors (8418787869).

20445627507 is a wasteful number, since it uses less digits than its factorization.

20445627507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400894677.

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 20445627507 in words is "twenty billion, four hundred forty-five million, six hundred twenty-seven thousand, five hundred seven".