20412343234 has 8 divisors (see below), whose sum is σ = 30852244368. Its totient is φ = 10128261780.

The previous prime is 20412343183. The next prime is 20412343247. The reversal of 20412343234 is 43234321402.

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

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, 38954592 + ... + 38955115.

It is an arithmetic number, because the mean of its divisors is an integer number (3856530546).

Almost surely, 2^20412343234 is an apocalyptic number.

20412343234 is a deficient number, since it is larger than the sum of its proper divisors (10439901134).

20412343234 is a wasteful number, since it uses less digits than its factorization.

20412343234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77909840.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20412343234 its reverse (43234321402), we get a palindrome (63646664636).

The spelling of 20412343234 in words is "twenty billion, four hundred twelve million, three hundred forty-three thousand, two hundred thirty-four".