20404056016450 has 24 divisors (see below), whose sum is σ = 37972271583360. Its totient is φ = 8157164902800.

The previous prime is 20404056016397. The next prime is 20404056016457. The reversal of 20404056016450 is 5461065040402.

It is a super-3 number, since 3×20404056016450³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20404056016457) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 111345130 + ... + 111528229.

It is an arithmetic number, because the mean of its divisors is an integer number (1582177982640).

Almost surely, 2^{20404056016450} is an apocalyptic number.

20404056016450 is a deficient number, since it is larger than the sum of its proper divisors (17568215566910).

20404056016450 is a wasteful number, since it uses less digits than its factorization.

20404056016450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222875202 (or 222875197 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 20404056016450 in words is "twenty trillion, four hundred four billion, fifty-six million, sixteen thousand, four hundred fifty".