20415608103 has 8 divisors (see below), whose sum is σ = 29695430016. Its totient is φ = 12373095800.

The previous prime is 20415608089. The next prime is 20415608111. The reversal of 20415608103 is 30180651402.

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

It is a cyclic number.

It is not a de Polignac number, because 20415608103 - 2¹⁷ = 20415477031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415608173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309327363 + ... + 309327428.

It is an arithmetic number, because the mean of its divisors is an integer number (3711928752).

Almost surely, 2^20415608103 is an apocalyptic number.

20415608103 is a deficient number, since it is larger than the sum of its proper divisors (9279821913).

20415608103 is a wasteful number, since it uses less digits than its factorization.

20415608103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618654805.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 20415608103 in words is "twenty billion, four hundred fifteen million, six hundred eight thousand, one hundred three".