20046346547833 has 4 divisors (see below), whose sum is σ = 20062044549540. Its totient is φ = 20030648546128.

The previous prime is 20046346547831. The next prime is 20046346547923. The reversal of 20046346547833 is 33874564364002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6086498528889 + 13959848018944 = 2467083^2 + 3736288^2 .

It is a cyclic number.

It is not a de Polignac number, because 20046346547833 - 2¹ = 20046346547831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20046346547831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7848998938 + ... + 7849001491.

It is an arithmetic number, because the mean of its divisors is an integer number (5015511137385).

Almost surely, 2^{20046346547833} is an apocalyptic number.

It is an amenable number.

20046346547833 is a deficient number, since it is larger than the sum of its proper divisors (15698001707).

20046346547833 is a wasteful number, since it uses less digits than its factorization.

20046346547833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15698001706.

The product of its (nonzero) digits is 34836480, while the sum is 55.

The spelling of 20046346547833 in words is "twenty trillion, forty-six billion, three hundred forty-six million, five hundred forty-seven thousand, eight hundred thirty-three".