20346344220106 has 16 divisors (see below), whose sum is σ = 31741132285440. Its totient is φ = 9772927566480.

The previous prime is 20346344220079. The next prime is 20346344220127. The reversal of 20346344220106 is 60102244364302.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740187810 + ... + 1740199501.

It is an arithmetic number, because the mean of its divisors is an integer number (1983820767840).

Almost surely, 2^{20346344220106} is an apocalyptic number.

20346344220106 is a deficient number, since it is larger than the sum of its proper divisors (11394788065334).

20346344220106 is a wasteful number, since it uses less digits than its factorization.

20346344220106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480387429.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 20346344220106 its reverse (60102244364302), we get a palindrome (80448588584408).

The spelling of 20346344220106 in words is "twenty trillion, three hundred forty-six billion, three hundred forty-four million, two hundred twenty thousand, one hundred six".