20482147540 has 48 divisors (see below), whose sum is σ = 43469645184. Its totient is φ = 8105904000.

The previous prime is 20482147529. The next prime is 20482147591. The reversal of 20482147540 is 4574128402.

It is a self number, because there is not a number n which added to its sum of digits gives 20482147540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3768625 + ... + 3774055.

It is an arithmetic number, because the mean of its divisors is an integer number (905617608).

Almost surely, 2^20482147540 is an apocalyptic number.

20482147540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20482147540 is an abundant number, since it is smaller than the sum of its proper divisors (22987497644).

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

20482147540 is a wasteful number, since it uses less digits than its factorization.

20482147540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 20482147540 in words is "twenty billion, four hundred eighty-two million, one hundred forty-seven thousand, five hundred forty".