2000021020120 has 32 divisors (see below), whose sum is σ = 4502305401120. Its totient is φ = 799606967040.

The previous prime is 2000021019979. The next prime is 2000021020189. The reversal of 2000021020120 is 210201200002.

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 = 2000021020097 and 2000021020106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12464316 + ... + 12623755.

It is an arithmetic number, because the mean of its divisors is an integer number (140697043785).

Almost surely, 2^{2000021020120} is an apocalyptic number.

2000021020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000021020120 is an abundant number, since it is smaller than the sum of its proper divisors (2502284381000).

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

2000021020120 is a wasteful number, since it uses less digits than its factorization.

2000021020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25090075 (or 25090071 counting only the distinct ones).

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

Adding to 2000021020120 its reverse (210201200002), we get a palindrome (2210222220122).

The spelling of 2000021020120 in words is "two trillion, twenty-one million, twenty thousand, one hundred twenty".