20346174573 has 32 divisors (see below), whose sum is σ = 27748073472. Its totient is φ = 13258728000.

The previous prime is 20346174571. The next prime is 20346174587. The reversal of 20346174573 is 37547164302.

It is not a de Polignac number, because 20346174573 - 2¹ = 20346174571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346174571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8580078 + ... + 8582448.

It is an arithmetic number, because the mean of its divisors is an integer number (867127296).

Almost surely, 2^20346174573 is an apocalyptic number.

It is an amenable number.

20346174573 is a deficient number, since it is larger than the sum of its proper divisors (7401898899).

20346174573 is a wasteful number, since it uses less digits than its factorization.

20346174573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 423360, while the sum is 42.

It can be divided in two parts, 2034617 and 4573, that added together give a triangular number (2039190 = T₂₀₁₉).

The spelling of 20346174573 in words is "twenty billion, three hundred forty-six million, one hundred seventy-four thousand, five hundred seventy-three".