20363042077 has 8 divisors (see below), whose sum is σ = 23275636992. Its totient is φ = 17451344400.

The previous prime is 20363042069. The next prime is 20363042081. The reversal of 20363042077 is 77024036302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20363042077 - 2³ = 20363042069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363042057) 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, 174949 + ... + 267082.

It is an arithmetic number, because the mean of its divisors is an integer number (2909454624).

Almost surely, 2^20363042077 is an apocalyptic number.

It is an amenable number.

20363042077 is a deficient number, since it is larger than the sum of its proper divisors (2912594915).

20363042077 is an equidigital number, since it uses as much as digits as its factorization.

20363042077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448619.

The product of its (nonzero) digits is 42336, while the sum is 34.

Adding to 20363042077 its reverse (77024036302), we get a palindrome (97387078379).

The spelling of 20363042077 in words is "twenty billion, three hundred sixty-three million, forty-two thousand, seventy-seven".