20205601415 has 8 divisors (see below), whose sum is σ = 24263102448. Its totient is φ = 16153560640.

The previous prime is 20205601397. The next prime is 20205601441. The reversal of 20205601415 is 51410650202.

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

It is not a de Polignac number, because 20205601415 - 2⁸ = 20205601159 is a prime.

It is a Duffinian number.

It is a congruent 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, 1356917 + ... + 1371726.

It is an arithmetic number, because the mean of its divisors is an integer number (3032887806).

Almost surely, 2^20205601415 is an apocalyptic number.

20205601415 is a deficient number, since it is larger than the sum of its proper divisors (4057501033).

20205601415 is a wasteful number, since it uses less digits than its factorization.

20205601415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730129.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 20205601415 in words is "twenty billion, two hundred five million, six hundred one thousand, four hundred fifteen".