20416533425434 has 16 divisors (see below), whose sum is σ = 30733014659328. Its totient is φ = 10172257132752.

The previous prime is 20416533425413. The next prime is 20416533425437. The reversal of 20416533425434 is 43452433561402.

It is a super-2 number, since 2×20416533425434² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20416533425437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14821794 + ... + 16140589.

It is an arithmetic number, because the mean of its divisors is an integer number (1920813416208).

Almost surely, 2^{20416533425434} is an apocalyptic number.

20416533425434 is a deficient number, since it is larger than the sum of its proper divisors (10316481233894).

20416533425434 is a wasteful number, since it uses less digits than its factorization.

20416533425434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30963549.

The product of its (nonzero) digits is 4147200, while the sum is 46.

Adding to 20416533425434 its reverse (43452433561402), we get a palindrome (63868966986836).

The spelling of 20416533425434 in words is "twenty trillion, four hundred sixteen billion, five hundred thirty-three million, four hundred twenty-five thousand, four hundred thirty-four".