20484584730 has 48 divisors (see below), whose sum is σ = 53748569160. Its totient is φ = 5412438144.

The previous prime is 20484584723. The next prime is 20484584749. The reversal of 20484584730 is 3748548402.

It is a happy number.

20484584730 is a `hidden beast` number, since 20 + 48 + 4 + 584 + 7 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20036119401 + 448465329 = 141549^2 + 21177^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034257 + ... + 1053876.

Almost surely, 2^20484584730 is an apocalyptic number.

20484584730 is an abundant number, since it is smaller than the sum of its proper divisors (33263984430).

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

20484584730 is a wasteful number, since it uses less digits than its factorization.

20484584730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088255 (or 2088252 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 20484584730 in words is "twenty billion, four hundred eighty-four million, five hundred eighty-four thousand, seven hundred thirty".