20000953 has 8 divisors (see below), whose sum is σ = 22958208. Its totient is φ = 17068704.

The previous prime is 20000951. The next prime is 20000969. The reversal of 20000953 is 35900002.

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 20000953 - 2¹ = 20000951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000953.

It is not an unprimeable number, because it can be changed into a prime (20000951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 7762.

It is an arithmetic number, because the mean of its divisors is an integer number (2869776).

Almost surely, 2^20000953 is an apocalyptic number.

It is an amenable number.

20000953 is a deficient number, since it is larger than the sum of its proper divisors (2957255).

20000953 is a wasteful number, since it uses less digits than its factorization.

20000953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 20000953 is about 4472.2425023695. The cubic root of 20000953 is about 271.4460729910.

Adding to 20000953 its reverse (35900002), we get a palindrome (55900955).

The spelling of 20000953 in words is "twenty million, nine hundred fifty-three", and thus it is an aban number.