206120602 has 4 divisors (see below), whose sum is σ = 309180906. Its totient is φ = 103060300.

The previous prime is 206120561. The next prime is 206120611. The reversal of 206120602 is 206021602.

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

It can be written as a sum of positive squares in only one way, i.e., 194072761 + 12047841 = 13931^2 + 3471^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 206120602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51530149 + ... + 51530152.

Almost surely, 2^206120602 is an apocalyptic number.

206120602 is a deficient number, since it is larger than the sum of its proper divisors (103060304).

206120602 is a wasteful number, since it uses less digits than its factorization.

206120602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103060303.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 206120602 is about 14356.9008494173. The cubic root of 206120602 is about 590.7092896397.

The spelling of 206120602 in words is "two hundred six million, one hundred twenty thousand, six hundred two".