20334341420 has 24 divisors (see below), whose sum is σ = 42719488224. Its totient is φ = 8130427776.

The previous prime is 20334341389. The next prime is 20334341431. The reversal of 20334341420 is 2414343302.

It is a self number, because there is not a number n which added to its sum of digits gives 20334341420.

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, 156104 + ... + 255023.

It is an arithmetic number, because the mean of its divisors is an integer number (1779978676).

Almost surely, 2^20334341420 is an apocalyptic number.

20334341420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334341420 is an abundant number, since it is smaller than the sum of its proper divisors (22385146804).

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

20334341420 is a wasteful number, since it uses less digits than its factorization.

20334341420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413609 (or 413607 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20334341420 its reverse (2414343302), we get a palindrome (22748684722).

The spelling of 20334341420 in words is "twenty billion, three hundred thirty-four million, three hundred forty-one thousand, four hundred twenty".