206049902 has 8 divisors (see below), whose sum is σ = 314906616. Its totient is φ = 101081032.

The previous prime is 206049871. The next prime is 206049917. The reversal of 206049902 is 209940602.

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

It is a super-2 number, since 2×206049902² = 84913124228419208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 971828 + ... + 972039.

It is an arithmetic number, because the mean of its divisors is an integer number (39363327).

Almost surely, 2^206049902 is an apocalyptic number.

206049902 is a deficient number, since it is larger than the sum of its proper divisors (108856714).

206049902 is a wasteful number, since it uses less digits than its factorization.

206049902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943922.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 206049902 is about 14354.4384076842. The cubic root of 206049902 is about 590.6417435489.

The spelling of 206049902 in words is "two hundred six million, forty-nine thousand, nine hundred two".