206372043 has 20 divisors (see below), whose sum is σ = 311758920. Its totient is φ = 136030752.

The previous prime is 206372041. The next prime is 206372057. The reversal of 206372043 is 340273602.

206372043 is a `hidden beast` number, since 2 + 0 + 637 + 20 + 4 + 3 = 666.

It is not a de Polignac number, because 206372043 - 2¹ = 206372041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 206371998 and 206372016.

It is not an unprimeable number, because it can be changed into a prime (206372041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7105 + ... + 21522.

It is an arithmetic number, because the mean of its divisors is an integer number (15587946).

Almost surely, 2^206372043 is an apocalyptic number.

206372043 is a deficient number, since it is larger than the sum of its proper divisors (105386877).

206372043 is an equidigital number, since it uses as much as digits as its factorization.

206372043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728 (or 28719 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 206372043 is about 14365.6549798469. The cubic root of 206372043 is about 590.9493888480.

The spelling of 206372043 in words is "two hundred six million, three hundred seventy-two thousand, forty-three".