20945202 has 8 divisors (see below), whose sum is σ = 41890416. Its totient is φ = 6981732.

The previous prime is 20945167. The next prime is 20945209. The reversal of 20945202 is 20254902.

It is a sphenic number, since it is the product of 3 distinct primes.

20945202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20945209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745428 + ... + 1745439.

It is an arithmetic number, because the mean of its divisors is an integer number (5236302).

Almost surely, 2^20945202 is an apocalyptic number.

20945202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20945202 is a wasteful number, since it uses less digits than its factorization.

20945202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490872.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20945202 is about 4576.5928374720. The cubic root of 20945202 is about 275.6522347510.

The spelling of 20945202 in words is "twenty million, nine hundred forty-five thousand, two hundred two".