20934084441 has 4 divisors (see below), whose sum is σ = 27912112592. Its totient is φ = 13956056292.

The previous prime is 20934084419. The next prime is 20934084511. The reversal of 20934084441 is 14448043902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20934084441 - 2²¹ = 20931987289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20934084441.

It is not an unprimeable number, because it can be changed into a prime (20934084641) 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, 3489014071 + ... + 3489014076.

It is an arithmetic number, because the mean of its divisors is an integer number (6978028148).

Almost surely, 2^20934084441 is an apocalyptic number.

It is an amenable number.

20934084441 is a deficient number, since it is larger than the sum of its proper divisors (6978028151).

20934084441 is an equidigital number, since it uses as much as digits as its factorization.

20934084441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978028150.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 20934084441 in words is "twenty billion, nine hundred thirty-four million, eighty-four thousand, four hundred forty-one".