20354740566050 has 48 divisors (see below), whose sum is σ = 41311266972192. Its totient is φ = 7399994822400.

The previous prime is 20354740566037. The next prime is 20354740566071. The reversal of 20354740566050 is 5066504745302.

It is a super-2 number, since 2×20354740566050² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20354740565986 and 20354740566004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1964759 + ... + 6676058.

It is an arithmetic number, because the mean of its divisors is an integer number (860651395254).

Almost surely, 2^{20354740566050} is an apocalyptic number.

20354740566050 is an abundant number, since it is smaller than the sum of its proper divisors (20956526406142).

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

20354740566050 is a wasteful number, since it uses less digits than its factorization.

20354740566050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645123 (or 8645118 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 20354740566050 in words is "twenty trillion, three hundred fifty-four billion, seven hundred forty million, five hundred sixty-six thousand, fifty".