20106030345 has 16 divisors (see below), whose sum is σ = 32171678592. Its totient is φ = 10722539520.

The previous prime is 20106030331. The next prime is 20106030353. The reversal of 20106030345 is 54303060102.

It is a happy number.

It is not a de Polignac number, because 20106030345 - 2¹¹ = 20106028297 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 285084 + ... + 348546.

It is an arithmetic number, because the mean of its divisors is an integer number (2010729912).

Almost surely, 2^20106030345 is an apocalyptic number.

It is an amenable number.

20106030345 is a deficient number, since it is larger than the sum of its proper divisors (12065648247).

20106030345 is a wasteful number, since it uses less digits than its factorization.

20106030345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84592.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20106030345 its reverse (54303060102), we get a palindrome (74409090447).

The spelling of 20106030345 in words is "twenty billion, one hundred six million, thirty thousand, three hundred forty-five".