200211001001020 has 48 divisors (see below), whose sum is σ = 421558459499520. Its totient is φ = 79871968833536.

The previous prime is 200211001000987. The next prime is 200211001001059. The reversal of 200211001001020 is 20100100112002.

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 = 200211001000988 and 200211001001006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187205724 + ... + 188272156.

It is an arithmetic number, because the mean of its divisors is an integer number (8782467906240).

Almost surely, 2^{200211001001020} is an apocalyptic number.

200211001001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200211001001020 is an abundant number, since it is smaller than the sum of its proper divisors (221347458498500).

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

200211001001020 is a wasteful number, since it uses less digits than its factorization.

200211001001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091334 (or 1091332 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200211001001020 its reverse (20100100112002), we get a palindrome (220311101113022).

The spelling of 200211001001020 in words is "two hundred trillion, two hundred eleven billion, one million, one thousand, twenty".