20960507 has 8 divisors (see below), whose sum is σ = 22324896. Its totient is φ = 19610752.

The previous prime is 20960501. The next prime is 20960519. The reversal of 20960507 is 70506902.

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 20960507 - 2¹⁰ = 20959483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20960507.

It is not an unprimeable number, because it can be changed into a prime (20960501) 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, 623 + ... + 6504.

It is an arithmetic number, because the mean of its divisors is an integer number (2790612).

Almost surely, 2^20960507 is an apocalyptic number.

20960507 is a deficient number, since it is larger than the sum of its proper divisors (1364389).

20960507 is a wasteful number, since it uses less digits than its factorization.

20960507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 20960507 is about 4578.2646275636. The cubic root of 20960507 is about 275.7193595954.

The spelling of 20960507 in words is "twenty million, nine hundred sixty thousand, five hundred seven".