920613742 has 4 divisors (see below), whose sum is σ = 1380920616. Its totient is φ = 460306870.

The previous prime is 920613737. The next prime is 920613779. The reversal of 920613742 is 247316029.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 920613698 and 920613707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230153434 + ... + 230153437.

It is an arithmetic number, because the mean of its divisors is an integer number (345230154).

Almost surely, 2^920613742 is an apocalyptic number.

920613742 is a deficient number, since it is larger than the sum of its proper divisors (460306874).

920613742 is a wasteful number, since it uses less digits than its factorization.

920613742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460306873.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 920613742 is about 30341.6173267016. The cubic root of 920613742 is about 972.8050530028.

The spelling of 920613742 in words is "nine hundred twenty million, six hundred thirteen thousand, seven hundred forty-two".