20516441534342 has 8 divisors (see below), whose sum is σ = 33141944017056. Its totient is φ = 9469126861992.

The previous prime is 20516441534227. The next prime is 20516441534419. The reversal of 20516441534342 is 24343514461502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20516441534293 and 20516441534302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394546952558 + ... + 394546952609.

It is an arithmetic number, because the mean of its divisors is an integer number (4142743002132).

Almost surely, 2^{20516441534342} is an apocalyptic number.

20516441534342 is a deficient number, since it is larger than the sum of its proper divisors (12625502482714).

20516441534342 is a wasteful number, since it uses less digits than its factorization.

20516441534342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789093905182.

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 20516441534342 its reverse (24343514461502), we get a palindrome (44859955995844).

The spelling of 20516441534342 in words is "twenty trillion, five hundred sixteen billion, four hundred forty-one million, five hundred thirty-four thousand, three hundred forty-two".