20746202 has 4 divisors (see below), whose sum is σ = 31119306. Its totient is φ = 10373100.

The previous prime is 20746189. The next prime is 20746213. The reversal of 20746202 is 20264702.

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., 15768841 + 4977361 = 3971^2 + 2231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5186549 + ... + 5186552.

Almost surely, 2^20746202 is an apocalyptic number.

20746202 is a deficient number, since it is larger than the sum of its proper divisors (10373104).

20746202 is a wasteful number, since it uses less digits than its factorization.

20746202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373103.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20746202 is about 4554.7998858347. The cubic root of 20746202 is about 274.7764662838.

The spelling of 20746202 in words is "twenty million, seven hundred forty-six thousand, two hundred two".