920204650 has 24 divisors (see below), whose sum is σ = 1712645964. Its totient is φ = 367852800.

The previous prime is 920204647. The next prime is 920204657. The reversal of 920204650 is 56402029.

It can be written as a sum of positive squares in 6 ways, for example, as 387656721 + 532547929 = 19689^2 + 23077^2 .

It is not an unprimeable number, because it can be changed into a prime (920204657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91890 + ... + 101410.

Almost surely, 2^920204650 is an apocalyptic number.

920204650 is a deficient number, since it is larger than the sum of its proper divisors (792441314).

920204650 is a wasteful number, since it uses less digits than its factorization.

920204650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466 (or 11461 counting only the distinct ones).

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

The square root of 920204650 is about 30334.8751439659. The cubic root of 920204650 is about 972.6609369241.

Adding to 920204650 its reverse (56402029), we get a palindrome (976606679).

The spelling of 920204650 in words is "nine hundred twenty million, two hundred four thousand, six hundred fifty".