211010202020 has 24 divisors (see below), whose sum is σ = 443445637824. Its totient is φ = 84342325856.

The previous prime is 211010201993. The next prime is 211010202023. The reversal of 211010202020 is 20202010112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211010201992 and 211010202010.

It is not an unprimeable number, because it can be changed into a prime (211010202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831662 + ... + 3886341.

It is an arithmetic number, because the mean of its divisors is an integer number (18476901576).

Almost surely, 2^211010202020 is an apocalyptic number.

211010202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010202020 is an abundant number, since it is smaller than the sum of its proper divisors (232435435804).

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

211010202020 is a wasteful number, since it uses less digits than its factorization.

211010202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719379 (or 7719377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 211010202020 its reverse (20202010112), we get a palindrome (231212212132).

The spelling of 211010202020 in words is "two hundred eleven billion, ten million, two hundred two thousand, twenty".