200120210002020 has 384 divisors, whose sum is σ = 745928371077120. Its totient is φ = 38850434219520.

The previous prime is 200120210002003. The next prime is 200120210002039. The reversal of 200120210002020 is 20200012021002.

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 = 200120210001987 and 200120210002005.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17329740 + ... + 26468099.

It is an arithmetic number, because the mean of its divisors is an integer number (1942521799680).

Almost surely, 2^{200120210002020} is an apocalyptic number.

200120210002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120210002020 is an abundant number, since it is smaller than the sum of its proper divisors (545808161075100).

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

200120210002020 is a wasteful number, since it uses less digits than its factorization.

200120210002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43797935 (or 43797933 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200120210002020 its reverse (20200012021002), we get a palindrome (220320222023022).

The spelling of 200120210002020 in words is "two hundred trillion, one hundred twenty billion, two hundred ten million, two thousand, twenty".