20072398106 has 4 divisors (see below), whose sum is σ = 30108597162. Its totient is φ = 10036199052.

The previous prime is 20072398097. The next prime is 20072398121. The reversal of 20072398106 is 60189327002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12752055625 + 7320342481 = 112925^2 + 85559^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20072398106.

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 as a sum of consecutive naturals, namely, 5018099525 + ... + 5018099528.

Almost surely, 2^20072398106 is an apocalyptic number.

20072398106 is a deficient number, since it is larger than the sum of its proper divisors (10036199056).

20072398106 is a wasteful number, since it uses less digits than its factorization.

20072398106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036199055.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 20072398106 in words is "twenty billion, seventy-two million, three hundred ninety-eight thousand, one hundred six".