20000086 has 8 divisors (see below), whose sum is σ = 30020760. Its totient is φ = 9993168.

The previous prime is 20000081. The next prime is 20000093. The reversal of 20000086 is 68000002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (3752595).

Almost surely, 2^20000086 is an apocalyptic number.

20000086 is a deficient number, since it is larger than the sum of its proper divisors (10020674).

20000086 is a wasteful number, since it uses less digits than its factorization.

20000086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20000086 is about 4472.1455700815. The cubic root of 20000086 is about 271.4421507255.

Adding to 20000086 its reverse (68000002), we get a palindrome (88000088).

The spelling of 20000086 in words is "twenty million, eighty-six", and thus it is an aban number and an uban number.