10021402242 has 16 divisors (see below), whose sum is σ = 22269782880. Its totient is φ = 3340467396.

The previous prime is 10021402229. The next prime is 10021402249. The reversal of 10021402242 is 24220412001.

10021402242 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 402 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10021402249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92790708 + ... + 92790815.

It is an arithmetic number, because the mean of its divisors is an integer number (1391861430).

Almost surely, 2^10021402242 is an apocalyptic number.

10021402242 is an abundant number, since it is smaller than the sum of its proper divisors (12248380638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021402242 is a wasteful number, since it uses less digits than its factorization.

10021402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185581534 (or 185581528 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10021402242 its reverse (24220412001), we get a palindrome (34241814243).

The spelling of 10021402242 in words is "ten billion, twenty-one million, four hundred two thousand, two hundred forty-two".