2102203402 has 8 divisors (see below), whose sum is σ = 3395867076. Its totient is φ = 970247712.

The previous prime is 2102203399. The next prime is 2102203483. The reversal of 2102203402 is 2043022012.

It can be written as a sum of positive squares in 2 ways, for example, as 1847194441 + 255008961 = 42979^2 + 15969^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40426963 + ... + 40427014.

Almost surely, 2^2102203402 is an apocalyptic number.

2102203402 is a deficient number, since it is larger than the sum of its proper divisors (1293663674).

2102203402 is a wasteful number, since it uses less digits than its factorization.

2102203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80853992.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2102203402 is about 45849.7917334419. The cubic root of 2102203402 is about 1281.0268863229.

Adding to 2102203402 its reverse (2043022012), we get a palindrome (4145225414).

The spelling of 2102203402 in words is "two billion, one hundred two million, two hundred three thousand, four hundred two".