20456085174354 has 24 divisors (see below), whose sum is σ = 44324232132492. Its totient is φ = 6818277480480.

The previous prime is 20456085174353. The next prime is 20456085174401. The reversal of 20456085174354 is 45347158065402.

20456085174354 is a `hidden beast` number, since 2 + 0 + 4 + 560 + 8 + 5 + 1 + 74 + 3 + 5 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18405618691329 + 2050466483025 = 4290177^2 + 1431945^2 .

It is a super-3 number, since 3×20456085174354³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20456085174354.

It is not an unprimeable number, because it can be changed into a prime (20456085174353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34495977 + ... + 35083964.

Almost surely, 2^{20456085174354} is an apocalyptic number.

20456085174354 is an abundant number, since it is smaller than the sum of its proper divisors (23868146958138).

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

20456085174354 is a wasteful number, since it uses less digits than its factorization.

20456085174354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69596282 (or 69596279 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 20456085174354 in words is "twenty trillion, four hundred fifty-six billion, eighty-five million, one hundred seventy-four thousand, three hundred fifty-four".