920417144 has 16 divisors (see below), whose sum is σ = 1729887720. Its totient is φ = 459113760.

The previous prime is 920417131. The next prime is 920417149. The reversal of 920417144 is 441714029.

It is a self number, because there is not a number n which added to its sum of digits gives 920417144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920417149) 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, 133274 + ... + 140009.

Almost surely, 2^920417144 is an apocalyptic number.

It is an amenable number.

920417144 is a deficient number, since it is larger than the sum of its proper divisors (809470576).

920417144 is a wasteful number, since it uses less digits than its factorization.

920417144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273710 (or 273706 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 920417144 is about 30338.3774121162. The cubic root of 920417144 is about 972.7358002370.

The spelling of 920417144 in words is "nine hundred twenty million, four hundred seventeen thousand, one hundred forty-four".