20516411054126 has 8 divisors (see below), whose sum is σ = 33141894779784. Its totient is φ = 9469112794200.

The previous prime is 20516411054107. The next prime is 20516411054129. The reversal of 20516411054126 is 62145011461502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20516411054126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20516411054129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394546366400 + ... + 394546366451.

It is an arithmetic number, because the mean of its divisors is an integer number (4142736847473).

Almost surely, 2^{20516411054126} is an apocalyptic number.

20516411054126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20516411054126 is a deficient number, since it is larger than the sum of its proper divisors (12625483725658).

20516411054126 is a wasteful number, since it uses less digits than its factorization.

20516411054126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789092732866.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 20516411054126 in words is "twenty trillion, five hundred sixteen billion, four hundred eleven million, fifty-four thousand, one hundred twenty-six".