20506560153453 has 24 divisors (see below), whose sum is σ = 33000885979776. Its totient is φ = 12163788096000.

The previous prime is 20506560153383. The next prime is 20506560153523. The reversal of 20506560153453 is 35435106560502.

20506560153453 is a `hidden beast` number, since 2 + 0 + 5 + 0 + 6 + 5 + 60 + 1 + 534 + 53 = 666.

It is an interprime number because it is at equal distance from previous prime (20506560153383) and next prime (20506560153523).

It is not a de Polignac number, because 20506560153453 - 2¹² = 20506560149357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20506560153399 and 20506560153408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20506560151453) 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, 2203580148 + ... + 2203589453.

It is an arithmetic number, because the mean of its divisors is an integer number (1375036915824).

Almost surely, 2^{20506560153453} is an apocalyptic number.

It is an amenable number.

20506560153453 is a deficient number, since it is larger than the sum of its proper divisors (12494325826323).

20506560153453 is a wasteful number, since it uses less digits than its factorization.

20506560153453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407169665 (or 4407169662 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 20506560153453 in words is "twenty trillion, five hundred six billion, five hundred sixty million, one hundred fifty-three thousand, four hundred fifty-three".