202220605439 has 4 divisors (see below), whose sum is σ = 202410842256. Its totient is φ = 202030368624.

The previous prime is 202220605417. The next prime is 202220605441. The reversal of 202220605439 is 934506022202.

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 202220605439 - 2¹² = 202220601343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220605399 and 202220605408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220605469) 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, 95116814 + ... + 95118939.

It is an arithmetic number, because the mean of its divisors is an integer number (50602710564).

Almost surely, 2^202220605439 is an apocalyptic number.

202220605439 is a deficient number, since it is larger than the sum of its proper divisors (190236817).

202220605439 is a wasteful number, since it uses less digits than its factorization.

202220605439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190236816.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 202220605439 in words is "two hundred two billion, two hundred twenty million, six hundred five thousand, four hundred thirty-nine".