20001203097 has 8 divisors (see below), whose sum is σ = 26740937856. Its totient is φ = 13297801872.

The previous prime is 20001203093. The next prime is 20001203099. The reversal of 20001203097 is 79030210002.

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

It is not a de Polignac number, because 20001203097 - 2² = 20001203093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001203093) 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, 9082098 + ... + 9084299.

It is an arithmetic number, because the mean of its divisors is an integer number (3342617232).

Almost surely, 2^20001203097 is an apocalyptic number.

It is an amenable number.

20001203097 is a deficient number, since it is larger than the sum of its proper divisors (6739734759).

20001203097 is a wasteful number, since it uses less digits than its factorization.

20001203097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18166767.

The product of its (nonzero) digits is 756, while the sum is 24.

Adding to 20001203097 its reverse (79030210002), we get a palindrome (99031413099).

The spelling of 20001203097 in words is "twenty billion, one million, two hundred three thousand, ninety-seven".