102020198 has 16 divisors (see below), whose sum is σ = 175280640. Its totient is φ = 43625736.

The previous prime is 102020189. The next prime is 102020227. The reversal of 102020198 is 891020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (10955040).

Almost surely, 2^102020198 is an apocalyptic number.

102020198 is a deficient number, since it is larger than the sum of its proper divisors (73260442).

102020198 is a wasteful number, since it uses less digits than its factorization.

102020198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 102020198 is about 10100.5048388682. The cubic root of 102020198 is about 467.2637112235.

Adding to 102020198 its reverse (891020201), we get a palindrome (993040399).

The spelling of 102020198 in words is "one hundred two million, twenty thousand, one hundred ninety-eight".