2010220402 has 4 divisors (see below), whose sum is σ = 3015330606. Its totient is φ = 1005110200.

The previous prime is 2010220391. The next prime is 2010220417. The reversal of 2010220402 is 2040220102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2040220102 = 2 ⋅1020110051.

It can be written as a sum of positive squares in only one way, i.e., 1882778881 + 127441521 = 43391^2 + 11289^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502555099 + ... + 502555102.

Almost surely, 2^2010220402 is an apocalyptic number.

2010220402 is a deficient number, since it is larger than the sum of its proper divisors (1005110204).

2010220402 is a wasteful number, since it uses less digits than its factorization.

2010220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005110203.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2010220402 is about 44835.4815073955. The cubic root of 2010220402 is about 1262.0635544222.

Adding to 2010220402 its reverse (2040220102), we get a palindrome (4050440504).

It can be divided in two parts, 20102 and 20402, that added together give a palindrome (40504).

The spelling of 2010220402 in words is "two billion, ten million, two hundred twenty thousand, four hundred two".