20354745265045 has 16 divisors (see below), whose sum is σ = 25104057672960. Its totient is φ = 15837706931904.

The previous prime is 20354745265031. The next prime is 20354745265061. The reversal of 20354745265045 is 54056254745302.

It is a cyclic number.

It is not a de Polignac number, because 20354745265045 - 2⁹ = 20354745264533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20354745264983 and 20354745265001.

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, 384533242 + ... + 384586171.

It is an arithmetic number, because the mean of its divisors is an integer number (1569003604560).

Almost surely, 2^{20354745265045} is an apocalyptic number.

It is an amenable number.

20354745265045 is a deficient number, since it is larger than the sum of its proper divisors (4749312407915).

20354745265045 is an equidigital number, since it uses as much as digits as its factorization.

20354745265045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769119564.

The product of its (nonzero) digits is 20160000, while the sum is 52.

The spelling of 20354745265045 in words is "twenty trillion, three hundred fifty-four billion, seven hundred forty-five million, two hundred sixty-five thousand, forty-five".