20034424400 has 30 divisors (see below), whose sum is σ = 48132705582. Its totient is φ = 8013769600.

The previous prime is 20034424369. The next prime is 20034424453. The reversal of 20034424400 is 442443002.

It can be written as a sum of positive squares in 3 ways, for example, as 722319376 + 19312105024 = 26876^2 + 138968^2 .

It is a super-2 number, since 2×20034424400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25042631 + ... + 25043430.

Almost surely, 2^20034424400 is an apocalyptic number.

20034424400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20034424400 is an abundant number, since it is smaller than the sum of its proper divisors (28098281182).

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

20034424400 is a wasteful number, since it uses less digits than its factorization.

20034424400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50086079 (or 50086068 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20034424400 its reverse (442443002), we get a palindrome (20476867402).

The spelling of 20034424400 in words is "twenty billion, thirty-four million, four hundred twenty-four thousand, four hundred".