1980485205206 has 8 divisors (see below), whose sum is σ = 3145476502440. Its totient is φ = 931993037728.

The previous prime is 1980485205169. The next prime is 1980485205233. The reversal of 1980485205206 is 6025025840891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29124782396 + ... + 29124782463.

It is an arithmetic number, because the mean of its divisors is an integer number (393184562805).

Almost surely, 2^{1980485205206} is an apocalyptic number.

1980485205206 is a deficient number, since it is larger than the sum of its proper divisors (1164991297234).

1980485205206 is a wasteful number, since it uses less digits than its factorization.

1980485205206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58249564878.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 1980485205206 in words is "one trillion, nine hundred eighty billion, four hundred eighty-five million, two hundred five thousand, two hundred six".