10021450402 has 16 divisors (see below), whose sum is σ = 15825456000. Its totient is φ = 4746368880.

The previous prime is 10021450393. The next prime is 10021450423. The reversal of 10021450402 is 20405412001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 10021450402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398152 + ... + 422572.

It is an arithmetic number, because the mean of its divisors is an integer number (989091000).

Almost surely, 2^10021450402 is an apocalyptic number.

10021450402 is a deficient number, since it is larger than the sum of its proper divisors (5804005598).

10021450402 is a wasteful number, since it uses less digits than its factorization.

10021450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35241.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 10021450402 its reverse (20405412001), we get a palindrome (30426862403).

The spelling of 10021450402 in words is "ten billion, twenty-one million, four hundred fifty thousand, four hundred two".