20250946 has 4 divisors (see below), whose sum is σ = 30376422. Its totient is φ = 10125472.

The previous prime is 20250907. The next prime is 20250947. The reversal of 20250946 is 64905202.

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., 19936225 + 314721 = 4465^2 + 561^2 .

It is not an unprimeable number, because it can be changed into a prime (20250947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5062735 + ... + 5062738.

Almost surely, 2^20250946 is an apocalyptic number.

20250946 is a deficient number, since it is larger than the sum of its proper divisors (10125476).

20250946 is a wasteful number, since it uses less digits than its factorization.

20250946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125475.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20250946 is about 4500.1051098835. The cubic root of 20250946 is about 272.5723332935.

The spelling of 20250946 in words is "twenty million, two hundred fifty thousand, nine hundred forty-six".