10120020197 has 8 divisors (see below), whose sum is σ = 11586885696. Its totient is φ = 8658441792.

The previous prime is 10120020193. The next prime is 10120020203. The reversal of 10120020197 is 79102002101.

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

It is not a de Polignac number, because 10120020197 - 2² = 10120020193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120020193) 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, 1317668 + ... + 1325325.

It is an arithmetic number, because the mean of its divisors is an integer number (1448360712).

Almost surely, 2^10120020197 is an apocalyptic number.

It is an amenable number.

10120020197 is a deficient number, since it is larger than the sum of its proper divisors (1466865499).

10120020197 is an equidigital number, since it uses as much as digits as its factorization.

10120020197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643547.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 10120020197 its reverse (79102002101), we get a palindrome (89222022298).

The spelling of 10120020197 in words is "ten billion, one hundred twenty million, twenty thousand, one hundred ninety-seven".