2020424200402 has 4 divisors (see below), whose sum is σ = 3030636300606. Its totient is φ = 1010212100200.

The previous prime is 2020424200381. The next prime is 2020424200423. The reversal of 2020424200402 is 2040024240202.

It is a happy number.

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 (2020424200381) and next prime (2020424200423).

It can be written as a sum of positive squares in only one way, i.e., 1893510850401 + 126913350001 = 1376049^2 + 356249^2 .

It is a super-2 number, since 2×2020424200402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505106050099 + ... + 505106050102.

Almost surely, 2^{2020424200402} is an apocalyptic number.

2020424200402 is a deficient number, since it is larger than the sum of its proper divisors (1010212100204).

2020424200402 is a wasteful number, since it uses less digits than its factorization.

2020424200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010212100203.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 2020424200402 its reverse (2040024240202), we get a palindrome (4060448440604).

The spelling of 2020424200402 in words is "two trillion, twenty billion, four hundred twenty-four million, two hundred thousand, four hundred two".