1020566042 has 32 divisors (see below), whose sum is σ = 1615152000. Its totient is φ = 483029568.

The previous prime is 1020566033. The next prime is 1020566047. The reversal of 1020566042 is 2406650201.

1020566042 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 (1020566047) 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, 1110059 + ... + 1110977.

It is an arithmetic number, because the mean of its divisors is an integer number (50473500).

Almost surely, 2^1020566042 is an apocalyptic number.

1020566042 is a deficient number, since it is larger than the sum of its proper divisors (594585958).

1020566042 is a wasteful number, since it uses less digits than its factorization.

1020566042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1020566042 is about 31946.2993474988. The cubic root of 1020566042 is about 1006.8088812476.

The spelling of 1020566042 in words is "one billion, twenty million, five hundred sixty-six thousand, forty-two".