20134033420 has 24 divisors (see below), whose sum is σ = 42286762224. Its totient is φ = 8052605376.

The previous prime is 20134033399. The next prime is 20134033433. The reversal of 20134033420 is 2433043102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20134033391 and 20134033400.

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 7 ways as a sum of consecutive naturals, for example, 112747 + ... + 230173.

It is an arithmetic number, because the mean of its divisors is an integer number (1761948426).

Almost surely, 2^20134033420 is an apocalyptic number.

20134033420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134033420 is an abundant number, since it is smaller than the sum of its proper divisors (22152728804).

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

20134033420 is a wasteful number, since it uses less digits than its factorization.

20134033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126009 (or 126007 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20134033420 its reverse (2433043102), we get a palindrome (22567076522).

The spelling of 20134033420 in words is "twenty billion, one hundred thirty-four million, thirty-three thousand, four hundred twenty".