20524553133 has 16 divisors (see below), whose sum is σ = 31280585856. Its totient is φ = 11726412480.

The previous prime is 20524553117. The next prime is 20524553183. The reversal of 20524553133 is 33135542502.

It is not a de Polignac number, because 20524553133 - 2⁴ = 20524553117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20524553094 and 20524553103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524553183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58735 + ... + 210947.

It is an arithmetic number, because the mean of its divisors is an integer number (1955036616).

Almost surely, 2^20524553133 is an apocalyptic number.

It is an amenable number.

20524553133 is a deficient number, since it is larger than the sum of its proper divisors (10756032723).

20524553133 is a wasteful number, since it uses less digits than its factorization.

20524553133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158644.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 20524553133 in words is "twenty billion, five hundred twenty-four million, five hundred fifty-three thousand, one hundred thirty-three".