120202021863566 has 16 divisors (see below), whose sum is σ = 180636032043600. Its totient is φ = 59990015292480.

The previous prime is 120202021863557. The next prime is 120202021863611. The reversal of 120202021863566 is 665368120202021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59114426 + ... + 61113986.

It is an arithmetic number, because the mean of its divisors is an integer number (11289752002725).

Almost surely, 2^{120202021863566} is an apocalyptic number.

120202021863566 is a deficient number, since it is larger than the sum of its proper divisors (60434010180034).

120202021863566 is a wasteful number, since it uses less digits than its factorization.

120202021863566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055059.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 120202021863566 in words is "one hundred twenty trillion, two hundred two billion, twenty-one million, eight hundred sixty-three thousand, five hundred sixty-six".