9920174122 has 4 divisors (see below), whose sum is σ = 14880261186. Its totient is φ = 4960087060.

The previous prime is 9920174119. The next prime is 9920174129. The reversal of 9920174122 is 2214710299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2214710299 = 3907 ⋅566857.

It can be written as a sum of positive squares in only one way, i.e., 8116388281 + 1803785841 = 90091^2 + 42471^2 .

It is a super-2 number, since 2×9920174122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9920174129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480043529 + ... + 2480043532.

Almost surely, 2^9920174122 is an apocalyptic number.

9920174122 is a deficient number, since it is larger than the sum of its proper divisors (4960087064).

9920174122 is a wasteful number, since it uses less digits than its factorization.

9920174122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960087063.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9920174122 is about 99600.0708935491. The cubic root of 9920174122 is about 2148.6867135253.

The spelling of 9920174122 in words is "nine billion, nine hundred twenty million, one hundred seventy-four thousand, one hundred twenty-two".