1047539020 has 48 divisors (see below), whose sum is σ = 2402120448. Its totient is φ = 380557760.

The previous prime is 1047538981. The next prime is 1047539021. The reversal of 1047539020 is 209357401.

1047539020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1047539021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352059 + ... + 355021.

It is an arithmetic number, because the mean of its divisors is an integer number (50044176).

Almost surely, 2^1047539020 is an apocalyptic number.

1047539020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047539020 is an abundant number, since it is smaller than the sum of its proper divisors (1354581428).

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

1047539020 is a wasteful number, since it uses less digits than its factorization.

1047539020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1047539020 is about 32365.7074694807. The cubic root of 1047539020 is about 1015.6016622582.

The spelling of 1047539020 in words is "one billion, forty-seven million, five hundred thirty-nine thousand, twenty".