10020742 has 8 divisors (see below), whose sum is σ = 15046632. Its totient is φ = 5005200.

The previous prime is 10020739. The next prime is 10020743. The reversal of 10020742 is 24702001.

10020742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020743) 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, 642 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (1880829).

Almost surely, 2^10020742 is an apocalyptic number.

10020742 is a deficient number, since it is larger than the sum of its proper divisors (5025890).

10020742 is a wasteful number, since it uses less digits than its factorization.

10020742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 10020742 is about 3165.5555594556. Note that the first 5 decimals coincide. The cubic root of 10020742 is about 215.5923237469.

Adding to 10020742 its reverse (24702001), we get a palindrome (34722743).

The spelling of 10020742 in words is "ten million, twenty thousand, seven hundred forty-two".