20334574505 has 16 divisors (see below), whose sum is σ = 29099913984. Its totient is φ = 13337459520.

The previous prime is 20334574453. The next prime is 20334574511. The reversal of 20334574505 is 50547543302.

It is not a de Polignac number, because 20334574505 - 2¹² = 20334570409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12629366 + ... + 12630975.

It is an arithmetic number, because the mean of its divisors is an integer number (1818744624).

Almost surely, 2^20334574505 is an apocalyptic number.

It is an amenable number.

20334574505 is a deficient number, since it is larger than the sum of its proper divisors (8765339479).

20334574505 is a wasteful number, since it uses less digits than its factorization.

20334574505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260376.

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 20334574505 in words is "twenty billion, three hundred thirty-four million, five hundred seventy-four thousand, five hundred five".