20416306434654 has 32 divisors (see below), whose sum is σ = 44629905237120. Its totient is φ = 6188180134752.

The previous prime is 20416306434653. The next prime is 20416306434691. The reversal of 20416306434654 is 45643460361402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416306434653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953334464 + ... + 1953344915.

It is an arithmetic number, because the mean of its divisors is an integer number (1394684538660).

Almost surely, 2^{20416306434654} is an apocalyptic number.

20416306434654 is an abundant number, since it is smaller than the sum of its proper divisors (24213598802466).

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

20416306434654 is a wasteful number, since it uses less digits than its factorization.

20416306434654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906679464.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 20416306434654 in words is "twenty trillion, four hundred sixteen billion, three hundred six million, four hundred thirty-four thousand, six hundred fifty-four".