20021202010010 has 16 divisors (see below), whose sum is σ = 36876260447136. Its totient is φ = 7822237064208.

The previous prime is 20021202009923. The next prime is 20021202010013. The reversal of 20021202010010 is 1001020212002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20021202009973 and 20021202010000.

It is not an unprimeable number, because it can be changed into a prime (20021202010013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23280467024 + ... + 23280467883.

It is an arithmetic number, because the mean of its divisors is an integer number (2304766277946).

Almost surely, 2^{20021202010010} is an apocalyptic number.

20021202010010 is a deficient number, since it is larger than the sum of its proper divisors (16855058437126).

20021202010010 is a wasteful number, since it uses less digits than its factorization.

20021202010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46560934957.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20021202010010 its reverse (1001020212002), we get a palindrome (21022222222012).

The spelling of 20021202010010 in words is "twenty trillion, twenty-one billion, two hundred two million, ten thousand, ten".