20020021120010 has 64 divisors (see below), whose sum is σ = 37710825523200. Its totient is φ = 7637858629632.

The previous prime is 20020021119983. The next prime is 20020021120049. The reversal of 20020021120010 is 1002112002002.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20020021119973 and 20020021120000.

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, 141938642 + ... + 142079618.

It is an arithmetic number, because the mean of its divisors is an integer number (589231648800).

Almost surely, 2^{20020021120010} is an apocalyptic number.

20020021120010 is a deficient number, since it is larger than the sum of its proper divisors (17690804403190).

20020021120010 is a wasteful number, since it uses less digits than its factorization.

20020021120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142775.

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

Adding to 20020021120010 its reverse (1002112002002), we get a palindrome (21022133122012).

The spelling of 20020021120010 in words is "twenty trillion, twenty billion, twenty-one million, one hundred twenty thousand, ten".