20000002210120 has 32 divisors (see below), whose sum is σ = 45000786813120. Its totient is φ = 7999861890240.

The previous prime is 20000002210061. The next prime is 20000002210129. The reversal of 20000002210120 is 2101220000002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20000002210097 and 20000002210106.

It is not an unprimeable number, because it can be changed into a prime (20000002210129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996866 + ... + 6632305.

It is an arithmetic number, because the mean of its divisors is an integer number (1406274587910).

Almost surely, 2^{20000002210120} is an apocalyptic number.

20000002210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000002210120 is an abundant number, since it is smaller than the sum of its proper divisors (25000784603000).

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

20000002210120 is a wasteful number, since it uses less digits than its factorization.

20000002210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687125 (or 8687121 counting only the distinct ones).

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

Adding to 20000002210120 its reverse (2101220000002), we get a palindrome (22101222210122).

The spelling of 20000002210120 in words is "twenty trillion, two million, two hundred ten thousand, one hundred twenty".