20897068301 has 4 divisors (see below), whose sum is σ = 21805636512. Its totient is φ = 19988500092.

The previous prime is 20897068279. The next prime is 20897068337. The reversal of 20897068301 is 10386079802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20897068301 - 2²² = 20892873997 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 (20897068201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454284071 + ... + 454284116.

It is an arithmetic number, because the mean of its divisors is an integer number (5451409128).

Almost surely, 2^20897068301 is an apocalyptic number.

It is an amenable number.

20897068301 is a deficient number, since it is larger than the sum of its proper divisors (908568211).

20897068301 is an equidigital number, since it uses as much as digits as its factorization.

20897068301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908568210.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 20897068301 in words is "twenty billion, eight hundred ninety-seven million, sixty-eight thousand, three hundred one".