130020542 has 16 divisors (see below), whose sum is σ = 198737280. Its totient is φ = 63779352.

The previous prime is 130020533. The next prime is 130020547. The reversal of 130020542 is 245020031.

It is a self number, because there is not a number n which added to its sum of digits gives 130020542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86933 + ... + 88415.

It is an arithmetic number, because the mean of its divisors is an integer number (12421080).

Almost surely, 2^130020542 is an apocalyptic number.

130020542 is a deficient number, since it is larger than the sum of its proper divisors (68716738).

130020542 is a wasteful number, since it uses less digits than its factorization.

130020542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 130020542 is about 11402.6550416997. The cubic root of 130020542 is about 506.6063829669.

Adding to 130020542 its reverse (245020031), we get a palindrome (375040573).

The spelling of 130020542 in words is "one hundred thirty million, twenty thousand, five hundred forty-two".