211000220002020 has 48 divisors (see below), whose sum is σ = 590802300970560. Its totient is φ = 56266564861056.

The previous prime is 211000220001979. The next prime is 211000220002027. The reversal of 211000220002020 is 20200022000112.

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 = 211000220001987 and 211000220002005.

It is not an unprimeable number, because it can be changed into a prime (211000220002027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16996879 + ... + 26662601.

It is an arithmetic number, because the mean of its divisors is an integer number (12308381270220).

Almost surely, 2^{211000220002020} is an apocalyptic number.

211000220002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000220002020 is an abundant number, since it is smaller than the sum of its proper divisors (379802080968540).

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

211000220002020 is a wasteful number, since it uses less digits than its factorization.

211000220002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029564 (or 10029562 counting only the distinct ones).

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

Adding to 211000220002020 its reverse (20200022000112), we get a palindrome (231200242002132).

The spelling of 211000220002020 in words is "two hundred eleven trillion, two hundred twenty million, two thousand, twenty".