20612016542 has 8 divisors (see below), whose sum is σ = 33296334456. Its totient is φ = 9513238392.

The previous prime is 20612016527. The next prime is 20612016619. The reversal of 20612016542 is 24561021602.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 396384908 + ... + 396384959.

It is an arithmetic number, because the mean of its divisors is an integer number (4162041807).

Almost surely, 2^20612016542 is an apocalyptic number.

20612016542 is a deficient number, since it is larger than the sum of its proper divisors (12684317914).

20612016542 is a wasteful number, since it uses less digits than its factorization.

20612016542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792769882.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20612016542 in words is "twenty billion, six hundred twelve million, sixteen thousand, five hundred forty-two".