20454145110 has 80 divisors (see below), whose sum is σ = 62855930016. Its totient is φ = 4675231872.

The previous prime is 20454145027. The next prime is 20454145133. The reversal of 20454145110 is 1154145402.

20454145110 is a `hidden beast` number, since 2 + 0 + 4 + 541 + 4 + 5 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1798047 + ... + 1809386.

Almost surely, 2^20454145110 is an apocalyptic number.

20454145110 is an abundant number, since it is smaller than the sum of its proper divisors (42401784906).

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

20454145110 is a wasteful number, since it uses less digits than its factorization.

20454145110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607459 (or 3607450 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 20454145110 in words is "twenty billion, four hundred fifty-four million, one hundred forty-five thousand, one hundred ten".