20034245453515 has 8 divisors (see below), whose sum is σ = 24041171590128. Its totient is φ = 16027344998880.

The previous prime is 20034245453507. The next prime is 20034245453587. The reversal of 20034245453515 is 51535454243002.

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

It is not a de Polignac number, because 20034245453515 - 2³ = 20034245453507 is a prime.

It is a super-3 number, since 3×20034245453515³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660432 + ... + 7860541.

It is an arithmetic number, because the mean of its divisors is an integer number (3005146448766).

Almost surely, 2^{20034245453515} is an apocalyptic number.

20034245453515 is a deficient number, since it is larger than the sum of its proper divisors (4006926136613).

20034245453515 is a wasteful number, since it uses less digits than its factorization.

20034245453515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840989.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 20034245453515 its reverse (51535454243002), we get a palindrome (71569699696517).

The spelling of 20034245453515 in words is "twenty trillion, thirty-four billion, two hundred forty-five million, four hundred fifty-three thousand, five hundred fifteen".