20434404034 has 8 divisors (see below), whose sum is σ = 33438115728. Its totient is φ = 9288365460.

The previous prime is 20434404017. The next prime is 20434404043. The reversal of 20434404034 is 43040443402.

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

It is a super-3 number, since 3×20434404034³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20434403993 and 20434404011.

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, 464418252 + ... + 464418295.

It is an arithmetic number, because the mean of its divisors is an integer number (4179764466).

Almost surely, 2^20434404034 is an apocalyptic number.

20434404034 is a deficient number, since it is larger than the sum of its proper divisors (13003711694).

20434404034 is a wasteful number, since it uses less digits than its factorization.

20434404034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928836560.

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

Adding to 20434404034 its reverse (43040443402), we get a palindrome (63474847436).

The spelling of 20434404034 in words is "twenty billion, four hundred thirty-four million, four hundred four thousand, thirty-four".