20022550615343 has 4 divisors (see below), whose sum is σ = 20098681986768. Its totient is φ = 19946419243920.

The previous prime is 20022550615283. The next prime is 20022550615351. The reversal of 20022550615343 is 34351605522002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20022550615343 - 2¹² = 20022550611247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022550615297 and 20022550615306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022550615363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38065685318 + ... + 38065685843.

It is an arithmetic number, because the mean of its divisors is an integer number (5024670496692).

Almost surely, 2^{20022550615343} is an apocalyptic number.

20022550615343 is a deficient number, since it is larger than the sum of its proper divisors (76131371425).

20022550615343 is an equidigital number, since it uses as much as digits as its factorization.

20022550615343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76131371424.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 20022550615343 in words is "twenty trillion, twenty-two billion, five hundred fifty million, six hundred fifteen thousand, three hundred forty-three".