20255336282077 has 8 divisors (see below), whose sum is σ = 21823891157376. Its totient is φ = 18688274561712.

The previous prime is 20255336282021. The next prime is 20255336282087. The reversal of 20255336282077 is 77028263355202.

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 20255336282077 - 2¹¹ = 20255336280029 is a prime.

It is a super-2 number, since 2×20255336282077² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20255336282017) 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, 373260553 + ... + 373314814.

It is an arithmetic number, because the mean of its divisors is an integer number (2727986394672).

Almost surely, 2^{20255336282077} is an apocalyptic number.

It is an amenable number.

20255336282077 is a deficient number, since it is larger than the sum of its proper divisors (1568554875299).

20255336282077 is a wasteful number, since it uses less digits than its factorization.

20255336282077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746577467.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 20255336282077 in words is "twenty trillion, two hundred fifty-five billion, three hundred thirty-six million, two hundred eighty-two thousand, seventy-seven".