20020102102010 has 8 divisors (see below), whose sum is σ = 36036183783636. Its totient is φ = 8008040840800.

The previous prime is 20020102102009. The next prime is 20020102102069. The reversal of 20020102102010 is 1020120102002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19960673901169 + 59428200841 = 4467737^2 + 243779^2 .

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 = 20020102101982 and 20020102102000.

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, 1001005105091 + ... + 1001005105110.

Almost surely, 2^{20020102102010} is an apocalyptic number.

20020102102010 is a deficient number, since it is larger than the sum of its proper divisors (16016081681626).

20020102102010 is a wasteful number, since it uses less digits than its factorization.

20020102102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002010210208.

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

Adding to 20020102102010 its reverse (1020120102002), we get a palindrome (21040222204012).

The spelling of 20020102102010 in words is "twenty trillion, twenty billion, one hundred two million, one hundred two thousand, ten".