20550153104613 has 24 divisors (see below), whose sum is σ = 32382495512640. Its totient is φ = 12454470524160.

The previous prime is 20550153104561. The next prime is 20550153104617. The reversal of 20550153104613 is 31640135105502.

20550153104613 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 0 + 1 + 5 + 31 + 0 + 4 + 613 = 666.

It is not a de Polignac number, because 20550153104613 - 2¹⁴ = 20550153088229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550153104617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6198453 + ... + 8917461.

It is an arithmetic number, because the mean of its divisors is an integer number (1349270646360).

Almost surely, 2^{20550153104613} is an apocalyptic number.

It is an amenable number.

20550153104613 is a deficient number, since it is larger than the sum of its proper divisors (11832342408027).

20550153104613 is a wasteful number, since it uses less digits than its factorization.

20550153104613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795369 (or 2795366 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 20550153104613 in words is "twenty trillion, five hundred fifty billion, one hundred fifty-three million, one hundred four thousand, six hundred thirteen".