20243414420 has 12 divisors (see below), whose sum is σ = 42511170324. Its totient is φ = 8097365760.

The previous prime is 20243414407. The next prime is 20243414467. The reversal of 20243414420 is 2441434202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8441199376 + 11802215044 = 91876^2 + 108638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20243414420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506085341 + ... + 506085380.

It is an arithmetic number, because the mean of its divisors is an integer number (3542597527).

Almost surely, 2^20243414420 is an apocalyptic number.

20243414420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20243414420 is an abundant number, since it is smaller than the sum of its proper divisors (22267755904).

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

20243414420 is a wasteful number, since it uses less digits than its factorization.

20243414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012170730 (or 1012170728 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20243414420 its reverse (2441434202), we get a palindrome (22684848622).

The spelling of 20243414420 in words is "twenty billion, two hundred forty-three million, four hundred fourteen thousand, four hundred twenty".