10021942 has 24 divisors (see below), whose sum is σ = 18257904. Its totient is φ = 4040832.

The previous prime is 10021933. The next prime is 10021969. The reversal of 10021942 is 24912001.

10021942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2808 + ... + 5284.

It is an arithmetic number, because the mean of its divisors is an integer number (760746).

Almost surely, 2^10021942 is an apocalyptic number.

10021942 is a deficient number, since it is larger than the sum of its proper divisors (8235962).

10021942 is a wasteful number, since it uses less digits than its factorization.

10021942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10021942 is about 3165.7450939708. The cubic root of 10021942 is about 215.6009292461.

Adding to 10021942 its reverse (24912001), we get a palindrome (34933943).

The spelling of 10021942 in words is "ten million, twenty-one thousand, nine hundred forty-two".