920824051 has 4 divisors (see below), whose sum is σ = 1052370352. Its totient is φ = 789277752.

The previous prime is 920824049. The next prime is 920824087. The reversal of 920824051 is 150428029.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150428029 = 2749 ⋅54721.

It is a cyclic number.

It is not a de Polignac number, because 920824051 - 2¹ = 920824049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920824451) 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 3 ways as a sum of consecutive naturals, for example, 65773140 + ... + 65773153.

It is an arithmetic number, because the mean of its divisors is an integer number (263092588).

Almost surely, 2^920824051 is an apocalyptic number.

920824051 is a deficient number, since it is larger than the sum of its proper divisors (131546301).

920824051 is a wasteful number, since it uses less digits than its factorization.

920824051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131546300.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 920824051 is about 30345.0828141892. The cubic root of 920824051 is about 972.8791246325.

The spelling of 920824051 in words is "nine hundred twenty million, eight hundred twenty-four thousand, fifty-one".