20020212021120 has 128 divisors (see below), whose sum is σ = 63925026279840. Its totient is φ = 5329470357504.

The previous prime is 20020212021113. The next prime is 20020212021181. The reversal of 20020212021120 is 2112021202002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20020212021120.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7927857 + ... + 10143536.

Almost surely, 2^{20020212021120} is an apocalyptic number.

20020212021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020212021120 is an abundant number, since it is smaller than the sum of its proper divisors (43904814258720).

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

20020212021120 is a wasteful number, since it uses less digits than its factorization.

20020212021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18071992 (or 18071980 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020212021120 its reverse (2112021202002), we get a palindrome (22132233223122).

The spelling of 20020212021120 in words is "twenty trillion, twenty billion, two hundred twelve million, twenty-one thousand, one hundred twenty".