9920202 has 16 divisors (see below), whose sum is σ = 19968672. Its totient is φ = 3285360.

The previous prime is 9920177. The next prime is 9920203. The reversal of 9920202 is 2020299.

It is not an unprimeable number, because it can be changed into a prime (9920203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4324 + ... + 6207.

It is an arithmetic number, because the mean of its divisors is an integer number (1248042).

Almost surely, 2^9920202 is an apocalyptic number.

9920202 is an abundant number, since it is smaller than the sum of its proper divisors (10048470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9920202 is a wasteful number, since it uses less digits than its factorization.

9920202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 9920202 is about 3149.6352169735. The cubic root of 9920202 is about 214.8688726293.

It can be divided in two parts, 99 and 20202, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 9920202 in words is "nine million, nine hundred twenty thousand, two hundred two".