20262051206547 has 16 divisors (see below), whose sum is σ = 30110788172160. Its totient is φ = 12044315267712.

The previous prime is 20262051206491. The next prime is 20262051206561. The reversal of 20262051206547 is 74560215026202.

It is not a de Polignac number, because 20262051206547 - 2⁸ = 20262051206291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20262051206499 and 20262051206508.

It is not an unprimeable number, because it can be changed into a prime (20262051208547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10455133813 + ... + 10455135750.

It is an arithmetic number, because the mean of its divisors is an integer number (1881924260760).

Almost surely, 2^{20262051206547} is an apocalyptic number.

20262051206547 is a deficient number, since it is larger than the sum of its proper divisors (9848736965613).

20262051206547 is a wasteful number, since it uses less digits than its factorization.

20262051206547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910269602.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 20262051206547 in words is "twenty trillion, two hundred sixty-two billion, fifty-one million, two hundred six thousand, five hundred forty-seven".