2120441402 has 4 divisors (see below), whose sum is σ = 3180662106. Its totient is φ = 1060220700.

The previous prime is 2120441387. The next prime is 2120441417. The reversal of 2120441402 is 2041440212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2120441387) and next prime (2120441417).

It can be written as a sum of positive squares in only one way, i.e., 1453820641 + 666620761 = 38129^2 + 25819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530110349 + ... + 530110352.

Almost surely, 2^2120441402 is an apocalyptic number.

2120441402 is a deficient number, since it is larger than the sum of its proper divisors (1060220704).

2120441402 is a wasteful number, since it uses less digits than its factorization.

2120441402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060220703.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2120441402 is about 46048.2508028264. The cubic root of 2120441402 is about 1284.7208085982.

Adding to 2120441402 its reverse (2041440212), we get a palindrome (4161881614).

The spelling of 2120441402 in words is "two billion, one hundred twenty million, four hundred forty-one thousand, four hundred two".