20323442134 has 8 divisors (see below), whose sum is σ = 30799443528. Its totient is φ = 10056960960.

The previous prime is 20323442123. The next prime is 20323442171. The reversal of 20323442134 is 43124432302.

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

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, 52379812 + ... + 52380199.

It is an arithmetic number, because the mean of its divisors is an integer number (3849930441).

Almost surely, 2^20323442134 is an apocalyptic number.

20323442134 is a deficient number, since it is larger than the sum of its proper divisors (10476001394).

20323442134 is a wasteful number, since it uses less digits than its factorization.

20323442134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104760110.

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

Adding to 20323442134 its reverse (43124432302), we get a palindrome (63447874436).

The spelling of 20323442134 in words is "twenty billion, three hundred twenty-three million, four hundred forty-two thousand, one hundred thirty-four".