20020021020010 has 64 divisors (see below), whose sum is σ = 40419475020288. Its totient is φ = 7076237760000.

The previous prime is 20020021019923. The next prime is 20020021020059. The reversal of 20020021020010 is 1002012002002.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 6967881 + ... + 9412300.

It is an arithmetic number, because the mean of its divisors is an integer number (631554297192).

Almost surely, 2^{20020021020010} is an apocalyptic number.

20020021020010 is an abundant number, since it is smaller than the sum of its proper divisors (20399454000278).

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

20020021020010 is a wasteful number, since it uses less digits than its factorization.

20020021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380511.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20020021020010 its reverse (1002012002002), we get a palindrome (21022033022012).

The spelling of 20020021020010 in words is "twenty trillion, twenty billion, twenty-one million, twenty thousand, ten".