10200194 has 4 divisors (see below), whose sum is σ = 15300294. Its totient is φ = 5100096.

The previous prime is 10200173. The next prime is 10200227. The reversal of 10200194 is 49100201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49100201 = 4603 ⋅10667.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 1408969 = 2965^2 + 1187^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550047 + ... + 2550050.

Almost surely, 2^10200194 is an apocalyptic number.

10200194 is a deficient number, since it is larger than the sum of its proper divisors (5100100).

10200194 is an equidigital number, since it uses as much as digits as its factorization.

10200194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100099.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10200194 is about 3193.7742562680. The cubic root of 10200194 is about 216.8716634456.

Adding to 10200194 its reverse (49100201), we get a palindrome (59300395).

The spelling of 10200194 in words is "ten million, two hundred thousand, one hundred ninety-four".