20140468573 has 4 divisors (see below), whose sum is σ = 20520477468. Its totient is φ = 19760459680.

The previous prime is 20140468561. The next prime is 20140468583. The reversal of 20140468573 is 37586404102.

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 14112964804 + 6027503769 = 118798^2 + 77637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20140468573 is a prime.

It is a super-3 number, since 3×20140468573³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140468583) 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, 190004368 + ... + 190004473.

It is an arithmetic number, because the mean of its divisors is an integer number (5130119367).

Almost surely, 2^20140468573 is an apocalyptic number.

It is an amenable number.

20140468573 is a deficient number, since it is larger than the sum of its proper divisors (380008895).

20140468573 is an equidigital number, since it uses as much as digits as its factorization.

20140468573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380008894.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 20140468573 in words is "twenty billion, one hundred forty million, four hundred sixty-eight thousand, five hundred seventy-three".