20026643897151 has 48 divisors (see below), whose sum is σ = 30779793158400. Its totient is φ = 12504018449664.

The previous prime is 20026643897149. The next prime is 20026643897179. The reversal of 20026643897151 is 15179834662002.

It is a happy number.

20026643897151 is a `hidden beast` number, since 200 + 2 + 6 + 6 + 4 + 389 + 7 + 1 + 51 = 666.

It is not a de Polignac number, because 20026643897151 - 2¹ = 20026643897149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026643897111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25062940 + ... + 25849646.

It is an arithmetic number, because the mean of its divisors is an integer number (641245690800).

It is a 1-persistent number, because it is pandigital, but 2⋅20026643897151 = 40053287794302 is not.

Almost surely, 2^{20026643897151} is an apocalyptic number.

20026643897151 is a deficient number, since it is larger than the sum of its proper divisors (10753149261249).

20026643897151 is a wasteful number, since it uses less digits than its factorization.

20026643897151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787548 (or 787545 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 20026643897151 in words is "twenty trillion, twenty-six billion, six hundred forty-three million, eight hundred ninety-seven thousand, one hundred fifty-one".