20434414020 has 48 divisors (see below), whose sum is σ = 58762753728. Its totient is φ = 5301901440.

The previous prime is 20434414019. The next prime is 20434414027. The reversal of 20434414020 is 2041443402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20434414027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4600126 + ... + 4604565.

It is an arithmetic number, because the mean of its divisors is an integer number (1224224036).

Almost surely, 2^20434414020 is an apocalyptic number.

20434414020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20434414020 is an abundant number, since it is smaller than the sum of its proper divisors (38328339708).

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

20434414020 is a wasteful number, since it uses less digits than its factorization.

20434414020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204740 (or 9204738 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20434414020 its reverse (2041443402), we get a palindrome (22475857422).

The spelling of 20434414020 in words is "twenty billion, four hundred thirty-four million, four hundred fourteen thousand, twenty".