20122021010002 has 16 divisors (see below), whose sum is σ = 32014670075640. Its totient is φ = 9452544544768.

The previous prime is 20122021009967. The next prime is 20122021010009. The reversal of 20122021010002 is 20001012022102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15589554586321 + 4532466423681 = 3948361^2 + 2128959^2 .

It is not an unprimeable number, because it can be changed into a prime (20122021010009) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 520037023 + ... + 520075714.

Almost surely, 2^{20122021010002} is an apocalyptic number.

20122021010002 is a deficient number, since it is larger than the sum of its proper divisors (11892649065638).

20122021010002 is a wasteful number, since it uses less digits than its factorization.

20122021010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040113325.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122021010002 its reverse (20001012022102), we get a palindrome (40123033032104).

The spelling of 20122021010002 in words is "twenty trillion, one hundred twenty-two billion, twenty-one million, ten thousand, two".