20045544030 has 48 divisors (see below), whose sum is σ = 52263675360. Its totient is φ = 5330579904.

The previous prime is 20045544011. The next prime is 20045544119. The reversal of 20045544030 is 3044554002.

20045544030 is a `hidden beast` number, since 200 + 4 + 5 + 54 + 403 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20045543985 and 20045544003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277897 + ... + 342516.

It is an arithmetic number, because the mean of its divisors is an integer number (1088826570).

Almost surely, 2^20045544030 is an apocalyptic number.

20045544030 is an abundant number, since it is smaller than the sum of its proper divisors (32218131330).

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

20045544030 is a wasteful number, since it uses less digits than its factorization.

20045544030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620785 (or 620782 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 20045544030 in words is "twenty billion, forty-five million, five hundred forty-four thousand, thirty".