20005366045 has 16 divisors (see below), whose sum is σ = 27438645888. Its totient is φ = 13716607680.

The previous prime is 20005366021. The next prime is 20005366079. The reversal of 20005366045 is 54066350002.

It is not a de Polignac number, because 20005366045 - 2¹¹ = 20005363997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20005365998 and 20005366016.

It is a congruent 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, 439287 + ... + 482683.

It is an arithmetic number, because the mean of its divisors is an integer number (1714915368).

Almost surely, 2^20005366045 is an apocalyptic number.

It is an amenable number.

20005366045 is a deficient number, since it is larger than the sum of its proper divisors (7433279843).

20005366045 is a wasteful number, since it uses less digits than its factorization.

20005366045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56580.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 20005366045 in words is "twenty billion, five million, three hundred sixty-six thousand, forty-five".