20338369002405 has 64 divisors (see below), whose sum is σ = 36178134451200. Its totient is φ = 10840822297920.

The previous prime is 20338369002397. The next prime is 20338369002541. The reversal of 20338369002405 is 50420096383302.

20338369002405 is a `hidden beast` number, since 20 + 3 + 383 + 6 + 9 + 0 + 0 + 240 + 5 = 666.

It is not a de Polignac number, because 20338369002405 - 2³ = 20338369002397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3095167770 + ... + 3095174340.

It is an arithmetic number, because the mean of its divisors is an integer number (565283350800).

Almost surely, 2^{20338369002405} is an apocalyptic number.

It is an amenable number.

20338369002405 is a deficient number, since it is larger than the sum of its proper divisors (15839765448795).

20338369002405 is a wasteful number, since it uses less digits than its factorization.

20338369002405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16431 (or 16425 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 20338369002405 in words is "twenty trillion, three hundred thirty-eight billion, three hundred sixty-nine million, two thousand, four hundred five".