920651026 has 4 divisors (see below), whose sum is σ = 1380976542. Its totient is φ = 460325512.

The previous prime is 920650981. The next prime is 920651041. The reversal of 920651026 is 620156029.

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., 552203001 + 368448025 = 23499^2 + 19195^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230162755 + ... + 230162758.

Almost surely, 2^920651026 is an apocalyptic number.

920651026 is a deficient number, since it is larger than the sum of its proper divisors (460325516).

920651026 is a wasteful number, since it uses less digits than its factorization.

920651026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460325515.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 920651026 is about 30342.2317241168. The cubic root of 920651026 is about 972.8181853920.

The spelling of 920651026 in words is "nine hundred twenty million, six hundred fifty-one thousand, twenty-six".