10202002423402 has 16 divisors (see below), whose sum is σ = 15392851101000. Its totient is φ = 5071057385472.

The previous prime is 10202002423381. The next prime is 10202002423409. The reversal of 10202002423402 is 20432420020201.

It can be written as a sum of positive squares in 4 ways, for example, as 9134605567201 + 1067396856201 = 3022351^2 + 1033149^2 .

It is not an unprimeable number, because it can be changed into a prime (10202002423409) 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, 2518474 + ... + 5171722.

Almost surely, 2^{10202002423402} is an apocalyptic number.

10202002423402 is a deficient number, since it is larger than the sum of its proper divisors (5190848677598).

10202002423402 is a wasteful number, since it uses less digits than its factorization.

10202002423402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664537.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10202002423402 its reverse (20432420020201), we get a palindrome (30634422443603).

The spelling of 10202002423402 in words is "ten trillion, two hundred two billion, two million, four hundred twenty-three thousand, four hundred two".