20277433477201 has 8 divisors (see below), whose sum is σ = 21160635560064. Its totient is φ = 19394362606080.

The previous prime is 20277433477193. The next prime is 20277433477229. The reversal of 20277433477201 is 10277433477202.

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 20277433477201 - 2³ = 20277433477193 is a prime.

It is a super-2 number, since 2×20277433477201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20277433477241) 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, 32487061 + ... + 33105346.

It is an arithmetic number, because the mean of its divisors is an integer number (2645079445008).

Almost surely, 2^{20277433477201} is an apocalyptic number.

It is an amenable number.

20277433477201 is a deficient number, since it is larger than the sum of its proper divisors (883202082863).

20277433477201 is a wasteful number, since it uses less digits than its factorization.

20277433477201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65605871.

The product of its (nonzero) digits is 2765952, while the sum is 49.

Subtracting from 20277433477201 its reverse (10277433477202), we obtain a palindrome (9999999999999).

The spelling of 20277433477201 in words is "twenty trillion, two hundred seventy-seven billion, four hundred thirty-three million, four hundred seventy-seven thousand, two hundred one".