20275275507 has 8 divisors (see below), whose sum is σ = 27034680576. Its totient is φ = 13516360392.

The previous prime is 20275275487. The next prime is 20275275529. The reversal of 20275275507 is 70557257202.

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

It is not a de Polignac number, because 20275275507 - 2¹⁰ = 20275274483 is a prime.

It is a super-2 number, since 2×20275275507² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20275275107) 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, 11583 + ... + 201704.

It is an arithmetic number, because the mean of its divisors is an integer number (3379335072).

Almost surely, 2^20275275507 is an apocalyptic number.

20275275507 is a deficient number, since it is larger than the sum of its proper divisors (6759405069).

20275275507 is a wasteful number, since it uses less digits than its factorization.

20275275507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244977.

The product of its (nonzero) digits is 343000, while the sum is 42.

The spelling of 20275275507 in words is "twenty billion, two hundred seventy-five million, two hundred seventy-five thousand, five hundred seven".