20021022010010 has 64 divisors (see below), whose sum is σ = 41805986734080. Its totient is φ = 6761061679680.

The previous prime is 20021022009997. The next prime is 20021022010027. The reversal of 20021022010010 is 1001022012002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20021022009973 and 20021022010000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38287415 + ... + 38806805.

It is an arithmetic number, because the mean of its divisors is an integer number (653218542720).

Almost surely, 2^{20021022010010} is an apocalyptic number.

20021022010010 is an abundant number, since it is smaller than the sum of its proper divisors (21784964724070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021022010010 is a wasteful number, since it uses less digits than its factorization.

20021022010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527691.

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

Adding to 20021022010010 its reverse (1001022012002), we get a palindrome (21022044022012).

The spelling of 20021022010010 in words is "twenty trillion, twenty-one billion, twenty-two million, ten thousand, ten".