20030772223361 has 32 divisors (see below), whose sum is σ = 20881600944768. Its totient is φ = 19198380257280.

The previous prime is 20030772223333. The next prime is 20030772223367. The reversal of 20030772223361 is 16332227703002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20030772223361 is a prime.

It is a super-4 number, since 4×20030772223361⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20030772223367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2172294731 + ... + 2172303951.

It is an arithmetic number, because the mean of its divisors is an integer number (652550029524).

Almost surely, 2^{20030772223361} is an apocalyptic number.

It is an amenable number.

20030772223361 is a deficient number, since it is larger than the sum of its proper divisors (850828721407).

20030772223361 is a wasteful number, since it uses less digits than its factorization.

20030772223361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401.

The product of its (nonzero) digits is 127008, while the sum is 38.

Adding to 20030772223361 its reverse (16332227703002), we get a palindrome (36362999926363).

The spelling of 20030772223361 in words is "twenty trillion, thirty billion, seven hundred seventy-two million, two hundred twenty-three thousand, three hundred sixty-one".