20012202020122 has 8 divisors (see below), whose sum is σ = 32327403263316. Its totient is φ = 9236400932352.

The previous prime is 20012202020119. The next prime is 20012202020131. The reversal of 20012202020122 is 22102020221002.

It can be written as a sum of positive squares in 2 ways, for example, as 19948809355281 + 63392664841 = 4466409^2 + 251779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20012202020096 and 20012202020105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384850038823 + ... + 384850038874.

Almost surely, 2^{20012202020122} is an apocalyptic number.

20012202020122 is a deficient number, since it is larger than the sum of its proper divisors (12315201243194).

20012202020122 is a wasteful number, since it uses less digits than its factorization.

20012202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769700077712.

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

Adding to 20012202020122 its reverse (22102020221002), we get a palindrome (42114222241124).

The spelling of 20012202020122 in words is "twenty trillion, twelve billion, two hundred two million, twenty thousand, one hundred twenty-two".