20755666162 has 32 divisors (see below), whose sum is σ = 39347535744. Its totient is φ = 7975843200.

The previous prime is 20755666159. The next prime is 20755666199. The reversal of 20755666162 is 26166655702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911889 + ... + 934372.

It is an arithmetic number, because the mean of its divisors is an integer number (1229610492).

Almost surely, 2^20755666162 is an apocalyptic number.

20755666162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20755666162 is a deficient number, since it is larger than the sum of its proper divisors (18591869582).

20755666162 is a wasteful number, since it uses less digits than its factorization.

20755666162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846354.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 20755666162 in words is "twenty billion, seven hundred fifty-five million, six hundred sixty-six thousand, one hundred sixty-two".