20424042334 has 8 divisors (see below), whose sum is σ = 31383284688. Its totient is φ = 9962947440.

The previous prime is 20424042311. The next prime is 20424042349. The reversal of 20424042334 is 43324042402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20424042334² (a number of 21 digits) contains 22 as substring.

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, 124536762 + ... + 124536925.

It is an arithmetic number, because the mean of its divisors is an integer number (3922910586).

Almost surely, 2^20424042334 is an apocalyptic number.

20424042334 is a deficient number, since it is larger than the sum of its proper divisors (10959242354).

20424042334 is a wasteful number, since it uses less digits than its factorization.

20424042334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249073730.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20424042334 its reverse (43324042402), we get a palindrome (63748084736).

The spelling of 20424042334 in words is "twenty billion, four hundred twenty-four million, forty-two thousand, three hundred thirty-four".