20346306506242 has 16 divisors (see below), whose sum is σ = 30565395544320. Its totient is φ = 10157844948768.

The previous prime is 20346306506221. The next prime is 20346306506243. The reversal of 20346306506242 is 24260560364302.

It is not an unprimeable number, because it can be changed into a prime (20346306506243) 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, 10379838 + ... + 12183334.

It is an arithmetic number, because the mean of its divisors is an integer number (1910337221520).

Almost surely, 2^{20346306506242} is an apocalyptic number.

20346306506242 is a deficient number, since it is larger than the sum of its proper divisors (10219089038078).

20346306506242 is a wasteful number, since it uses less digits than its factorization.

20346306506242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811985.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 20346306506242 in words is "twenty trillion, three hundred forty-six billion, three hundred six million, five hundred six thousand, two hundred forty-two".