20422246355 has 8 divisors (see below), whose sum is σ = 28007652192. Its totient is φ = 14003826048.

The previous prime is 20422246343. The next prime is 20422246367. The reversal of 20422246355 is 55364222402.

It is an interprime number because it is at equal distance from previous prime (20422246343) and next prime (20422246367).

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 20422246355 - 2⁶ = 20422246291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 583492753 = 20422246355 / (2 + 0 + 4 + 2 + 2 + 2 + 4 + 6 + 3 + 5 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291746342 + ... + 291746411.

It is an arithmetic number, because the mean of its divisors is an integer number (3500956524).

Almost surely, 2^20422246355 is an apocalyptic number.

20422246355 is a deficient number, since it is larger than the sum of its proper divisors (7585405837).

20422246355 is an equidigital number, since it uses as much as digits as its factorization.

20422246355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583492765.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20422246355 its reverse (55364222402), we get a palindrome (75786468757).

The spelling of 20422246355 in words is "twenty billion, four hundred twenty-two million, two hundred forty-six thousand, three hundred fifty-five".