20453530226616 has 24 divisors (see below), whose sum is σ = 55394977697280. Its totient is φ = 6817843408848.

The previous prime is 20453530226573. The next prime is 20453530226617. The reversal of 20453530226616 is 61662203535402.

20453530226616 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 3 + 5 + 3 + 0 + 2 + 26 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×20453530226616² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453530226617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142038404280 + ... + 142038404423.

It is an arithmetic number, because the mean of its divisors is an integer number (2308124070720).

Almost surely, 2^{20453530226616} is an apocalyptic number.

It is an amenable number.

20453530226616 is an abundant number, since it is smaller than the sum of its proper divisors (34941447470664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20453530226616 is a wasteful number, since it uses less digits than its factorization.

20453530226616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284076808715 (or 284076808708 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 20453530226616 in words is "twenty trillion, four hundred fifty-three billion, five hundred thirty million, two hundred twenty-six thousand, six hundred sixteen".