20190986124066 has 48 divisors (see below), whose sum is σ = 46067378703840. Its totient is φ = 6373641634560.

The previous prime is 20190986124061. The next prime is 20190986124109. The reversal of 20190986124066 is 66042168909102.

20190986124066 is a `hidden beast` number, since 2 + 0 + 1 + 90 + 98 + 61 + 2 + 406 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (20190986124061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10497300 + ... + 12270911.

It is an arithmetic number, because the mean of its divisors is an integer number (959737056330).

Almost surely, 2^{20190986124066} is an apocalyptic number.

20190986124066 is an abundant number, since it is smaller than the sum of its proper divisors (25876392579774).

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

20190986124066 is a wasteful number, since it uses less digits than its factorization.

20190986124066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22770831 (or 22770828 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 20190986124066 in words is "twenty trillion, one hundred ninety billion, nine hundred eighty-six million, one hundred twenty-four thousand, sixty-six".