2020402402 has 4 divisors (see below), whose sum is σ = 3030603606. Its totient is φ = 1010201200.

The previous prime is 2020402379. The next prime is 2020402403. The reversal of 2020402402 is 2042040202.

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

It can be written as a sum of positive squares in only one way, i.e., 1187560521 + 832841881 = 34461^2 + 28859^2 .

It is not an unprimeable number, because it can be changed into a prime (2020402403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505100599 + ... + 505100602.

Almost surely, 2^2020402402 is an apocalyptic number.

2020402402 is a deficient number, since it is larger than the sum of its proper divisors (1010201204).

2020402402 is a wasteful number, since it uses less digits than its factorization.

2020402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010201203.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2020402402 is about 44948.8865490570. The cubic root of 2020402402 is about 1264.1907997406.

Adding to 2020402402 its reverse (2042040202), we get a palindrome (4062442604).

The spelling of 2020402402 in words is "two billion, twenty million, four hundred two thousand, four hundred two".