20001245201 has 8 divisors (see below), whose sum is σ = 23147915520. Its totient is φ = 16926912288.

The previous prime is 20001245171. The next prime is 20001245233. The reversal of 20001245201 is 10254210002.

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 20001245201 - 2²⁶ = 19934136337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001245201.

It is not an unprimeable number, because it can be changed into a prime (20001745201) 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, 18083756 + ... + 18084861.

It is an arithmetic number, because the mean of its divisors is an integer number (2893489440).

Almost surely, 2^20001245201 is an apocalyptic number.

It is an amenable number.

20001245201 is a deficient number, since it is larger than the sum of its proper divisors (3146670319).

20001245201 is an equidigital number, since it uses as much as digits as its factorization.

20001245201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36168703.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20001245201 its reverse (10254210002), we get a palindrome (30255455203).

The spelling of 20001245201 in words is "twenty billion, one million, two hundred forty-five thousand, two hundred one".