20146707 has 24 divisors (see below), whose sum is σ = 35010560. Its totient is φ = 10905840.

The previous prime is 20146681. The next prime is 20146741. The reversal of 20146707 is 70764102.

It is not a de Polignac number, because 20146707 - 2¹¹ = 20144659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7219 + ... + 9612.

Almost surely, 2^20146707 is an apocalyptic number.

20146707 is a deficient number, since it is larger than the sum of its proper divisors (14863853).

20146707 is a wasteful number, since it uses less digits than its factorization.

20146707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16863 (or 16860 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20146707 is about 4488.5083268275. The cubic root of 20146707 is about 272.1038521757.

The spelling of 20146707 in words is "twenty million, one hundred forty-six thousand, seven hundred seven".