20200487345 has 8 divisors (see below), whose sum is σ = 24243036480. Its totient is φ = 16158755440.

The previous prime is 20200487299. The next prime is 20200487347. The reversal of 20200487345 is 54378400202.

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

It is a de Polignac number, because none of the positive numbers 2^k-20200487345 is a prime.

It is a super-3 number, since 3×20200487345³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20200487347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148541 + ... + 249930.

It is an arithmetic number, because the mean of its divisors is an integer number (3030379560).

Almost surely, 2^20200487345 is an apocalyptic number.

It is an amenable number.

20200487345 is a deficient number, since it is larger than the sum of its proper divisors (4042549135).

20200487345 is a wasteful number, since it uses less digits than its factorization.

20200487345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408615.

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 20200487345 its reverse (54378400202), we get a palindrome (74578887547).

The spelling of 20200487345 in words is "twenty billion, two hundred million, four hundred eighty-seven thousand, three hundred forty-five".