20196147 has 8 divisors (see below), whose sum is σ = 27231120. Its totient is φ = 13312640.

The previous prime is 20196109. The next prime is 20196173. The reversal of 20196147 is 74169102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20196147 - 2⁶ = 20196083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20196647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37554 + ... + 38087.

It is an arithmetic number, because the mean of its divisors is an integer number (3403890).

Almost surely, 2^20196147 is an apocalyptic number.

20196147 is a deficient number, since it is larger than the sum of its proper divisors (7034973).

20196147 is an equidigital number, since it uses as much as digits as its factorization.

20196147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75733.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 20196147 is about 4494.0123497828. The cubic root of 20196147 is about 272.3262512181.

The spelling of 20196147 in words is "twenty million, one hundred ninety-six thousand, one hundred forty-seven".