20005163773705 has 16 divisors (see below), whose sum is σ = 26188674986304. Its totient is φ = 14549156153280.

The previous prime is 20005163773691. The next prime is 20005163773757. The reversal of 20005163773705 is 50737736150002.

It is not a de Polignac number, because 20005163773705 - 2¹³ = 20005163765513 is a prime.

It is a super-2 number, since 2×20005163773705² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20081647 + ... + 21054283.

It is an arithmetic number, because the mean of its divisors is an integer number (1636792186644).

Almost surely, 2^{20005163773705} is an apocalyptic number.

It is an amenable number.

20005163773705 is a deficient number, since it is larger than the sum of its proper divisors (6183511212599).

20005163773705 is a wasteful number, since it uses less digits than its factorization.

20005163773705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346616.

The product of its (nonzero) digits is 926100, while the sum is 46.

The spelling of 20005163773705 in words is "twenty trillion, five billion, one hundred sixty-three million, seven hundred seventy-three thousand, seven hundred five".