8020542 has 16 divisors (see below), whose sum is σ = 16207632. Its totient is φ = 2645760.

The previous prime is 8020517. The next prime is 8020553. The reversal of 8020542 is 2450208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6309 + ... + 7472.

It is an arithmetic number, because the mean of its divisors is an integer number (1012977).

Almost surely, 2^8020542 is an apocalyptic number.

8020542 is an abundant number, since it is smaller than the sum of its proper divisors (8187090).

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

8020542 is a wasteful number, since it uses less digits than its factorization.

8020542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13883.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 8020542 is about 2832.0561435113. The cubic root of 8020542 is about 200.1710370233.

The spelling of 8020542 in words is "eight million, twenty thousand, five hundred forty-two".