20020011210120 has 128 divisors (see below), whose sum is σ = 60124998205440. Its totient is φ = 5332897647360.

The previous prime is 20020011210103. The next prime is 20020011210151. The reversal of 20020011210120 is 2101211002002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20020011210096 and 20020011210105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555060327 + ... + 555096393.

It is an arithmetic number, because the mean of its divisors is an integer number (469726548480).

Almost surely, 2^{20020011210120} is an apocalyptic number.

20020011210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020011210120 is an abundant number, since it is smaller than the sum of its proper divisors (40104986995320).

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

20020011210120 is a wasteful number, since it uses less digits than its factorization.

20020011210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40955 (or 40951 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020011210120 its reverse (2101211002002), we get a palindrome (22121222212122).

The spelling of 20020011210120 in words is "twenty trillion, twenty billion, eleven million, two hundred ten thousand, one hundred twenty".