206403056001 has 24 divisors (see below), whose sum is σ = 312710346624. Its totient is φ = 131034477600.

The previous prime is 206403055997. The next prime is 206403056023. The reversal of 206403056001 is 100650304602.

206403056001 is a `hidden beast` number, since 20 + 6 + 4 + 0 + 30 + 5 + 600 + 1 = 666.

It is not a de Polignac number, because 206403056001 - 2² = 206403055997 is a prime.

It is a super-2 number, since 2×206403056001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206403056501) 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, 6578275 + ... + 6609576.

It is an arithmetic number, because the mean of its divisors is an integer number (13029597776).

Almost surely, 2^206403056001 is an apocalyptic number.

It is an amenable number.

206403056001 is a deficient number, since it is larger than the sum of its proper divisors (106307290623).

206403056001 is a wasteful number, since it uses less digits than its factorization.

206403056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13187941 (or 13187938 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 206403056001 in words is "two hundred six billion, four hundred three million, fifty-six thousand, one".