20446145455101 has 8 divisors (see below), whose sum is σ = 27516307902624. Its totient is φ = 13503373322160.

The previous prime is 20446145455069. The next prime is 20446145455121. The reversal of 20446145455101 is 10155454164402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20446145455101 - 2⁵ = 20446145455069 is a prime.

It is a super-2 number, since 2×20446145455101² (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 (20446145455121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31847578270 + ... + 31847578911.

It is an arithmetic number, because the mean of its divisors is an integer number (3439538487828).

Almost surely, 2^{20446145455101} is an apocalyptic number.

It is an amenable number.

20446145455101 is a deficient number, since it is larger than the sum of its proper divisors (7070162447523).

20446145455101 is a wasteful number, since it uses less digits than its factorization.

20446145455101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63695157291.

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 20446145455101 in words is "twenty trillion, four hundred forty-six billion, one hundred forty-five million, four hundred fifty-five thousand, one hundred one".