20455201525197 has 8 divisors (see below), whose sum is σ = 28877931565056. Its totient is φ = 12834636251072.

The previous prime is 20455201525177. The next prime is 20455201525207. The reversal of 20455201525197 is 79152510255402.

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 20455201525197 - 2⁸ = 20455201524941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455201525147) 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, 200541191373 + ... + 200541191474.

It is an arithmetic number, because the mean of its divisors is an integer number (3609741445632).

Almost surely, 2^{20455201525197} is an apocalyptic number.

It is an amenable number.

20455201525197 is a deficient number, since it is larger than the sum of its proper divisors (8422730039859).

20455201525197 is a wasteful number, since it uses less digits than its factorization.

20455201525197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401082382867.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 20455201525197 in words is "twenty trillion, four hundred fifty-five billion, two hundred one million, five hundred twenty-five thousand, one hundred ninety-seven".