206245982 has 4 divisors (see below), whose sum is σ = 309368976. Its totient is φ = 103122990.

The previous prime is 206245981. The next prime is 206246009. The reversal of 206245982 is 289542602.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×206245982² = 85074810182288648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206245981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51561494 + ... + 51561497.

It is an arithmetic number, because the mean of its divisors is an integer number (77342244).

Almost surely, 2^206245982 is an apocalyptic number.

206245982 is a deficient number, since it is larger than the sum of its proper divisors (103122994).

206245982 is a wasteful number, since it uses less digits than its factorization.

206245982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103122993.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 206245982 is about 14361.2667268594. The cubic root of 206245982 is about 590.8290384953.

The spelling of 206245982 in words is "two hundred six million, two hundred forty-five thousand, nine hundred eighty-two".