9920107298 has 4 divisors (see below), whose sum is σ = 14880160950. Its totient is φ = 4960053648.

The previous prime is 9920107297. The next prime is 9920107303. The reversal of 9920107298 is 8927010299.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8927010299 = 4583 ⋅1947853.

It can be written as a sum of positive squares in only one way, i.e., 7767425689 + 2152681609 = 88133^2 + 46397^2 .

It is not an unprimeable number, because it can be changed into a prime (9920107297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480026823 + ... + 2480026826.

Almost surely, 2^9920107298 is an apocalyptic number.

9920107298 is a deficient number, since it is larger than the sum of its proper divisors (4960053652).

9920107298 is a wasteful number, since it uses less digits than its factorization.

9920107298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960053651.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 9920107298 is about 99599.7354313755. The cubic root of 9920107298 is about 2148.6818888733.

The spelling of 9920107298 in words is "nine billion, nine hundred twenty million, one hundred seven thousand, two hundred ninety-eight".