20202012122002 has 4 divisors (see below), whose sum is σ = 30303018183006. Its totient is φ = 10101006061000.

The previous prime is 20202012121999. The next prime is 20202012122023. The reversal of 20202012122002 is 20022121020202.

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., 17503939780441 + 2698072341561 = 4183771^2 + 1642581^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050503030499 + ... + 5050503030502.

Almost surely, 2^{20202012122002} is an apocalyptic number.

20202012122002 is a deficient number, since it is larger than the sum of its proper divisors (10101006061004).

20202012122002 is a wasteful number, since it uses less digits than its factorization.

20202012122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101006061003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20202012122002 its reverse (20022121020202), we get a palindrome (40224133142204).

The spelling of 20202012122002 in words is "twenty trillion, two hundred two billion, twelve million, one hundred twenty-two thousand, two".