20341045420 has 24 divisors (see below), whose sum is σ = 42939848448. Its totient is φ = 8093817600.

The previous prime is 20341045409. The next prime is 20341045433. The reversal of 20341045420 is 2454014302.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2658621 + ... + 2666260.

It is an arithmetic number, because the mean of its divisors is an integer number (1789160352).

Almost surely, 2^20341045420 is an apocalyptic number.

20341045420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341045420 is an abundant number, since it is smaller than the sum of its proper divisors (22598803028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20341045420 is a wasteful number, since it uses less digits than its factorization.

20341045420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325081 (or 5325079 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20341045420 its reverse (2454014302), we get a palindrome (22795059722).

The spelling of 20341045420 in words is "twenty billion, three hundred forty-one million, forty-five thousand, four hundred twenty".