102030206 has 4 divisors (see below), whose sum is σ = 153045312. Its totient is φ = 51015102.

The previous prime is 102030193. The next prime is 102030217. The reversal of 102030206 is 602030201.

102030206 = 5049² + 5050² + ... + 5052².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602030201 = 223 ⋅2699687.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507550 + ... + 25507553.

It is an arithmetic number, because the mean of its divisors is an integer number (38261328).

Almost surely, 2^102030206 is an apocalyptic number.

102030206 is a deficient number, since it is larger than the sum of its proper divisors (51015106).

102030206 is an equidigital number, since it uses as much as digits as its factorization.

102030206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015105.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102030206 is about 10101.0002475002. Note that the first 3 decimals coincide. The cubic root of 102030206 is about 467.2789899703.

Adding to 102030206 its reverse (602030201), we get a palindrome (704060407).

The spelling of 102030206 in words is "one hundred two million, thirty thousand, two hundred six".