20573047724911 has 32 divisors (see below), whose sum is σ = 22761499737600. Its totient is φ = 18439530009600.

The previous prime is 20573047724897. The next prime is 20573047724927. The reversal of 20573047724911 is 11942774037502.

It is a cyclic number.

It is not a de Polignac number, because 20573047724911 - 2¹⁹ = 20573047200623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20573042724911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298562740 + ... + 298631638.

It is an arithmetic number, because the mean of its divisors is an integer number (711296866800).

Almost surely, 2^{20573047724911} is an apocalyptic number.

20573047724911 is a deficient number, since it is larger than the sum of its proper divisors (2188452012689).

20573047724911 is a wasteful number, since it uses less digits than its factorization.

20573047724911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70287.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 20573047724911 in words is "twenty trillion, five hundred seventy-three billion, forty-seven million, seven hundred twenty-four thousand, nine hundred eleven".