211251036020 has 48 divisors (see below), whose sum is σ = 479596978560. Its totient is φ = 77889423744.

The previous prime is 211251036011. The next prime is 211251036023. The reversal of 211251036020 is 20630152112.

211251036020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211251036023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7498424 + ... + 7526543.

It is an arithmetic number, because the mean of its divisors is an integer number (9991603720).

Almost surely, 2^211251036020 is an apocalyptic number.

211251036020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211251036020 is an abundant number, since it is smaller than the sum of its proper divisors (268345942540).

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

211251036020 is a wasteful number, since it uses less digits than its factorization.

211251036020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15025032 (or 15025030 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 211251036020 its reverse (20630152112), we get a palindrome (231881188132).

The spelling of 211251036020 in words is "two hundred eleven billion, two hundred fifty-one million, thirty-six thousand, twenty".