20210030211 has 16 divisors (see below), whose sum is σ = 30848719104. Its totient is φ = 11528907744.

The previous prime is 20210030201. The next prime is 20210030213. The reversal of 20210030211 is 11203001202.

It is not a de Polignac number, because 20210030211 - 2⁵ = 20210030179 is a prime.

It is a super-2 number, since 2×20210030211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20210030213) 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, 807420 + ... + 832073.

It is an arithmetic number, because the mean of its divisors is an integer number (1928044944).

Almost surely, 2^20210030211 is an apocalyptic number.

20210030211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20210030211 is a deficient number, since it is larger than the sum of its proper divisors (10638688893).

20210030211 is a wasteful number, since it uses less digits than its factorization.

20210030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640090.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20210030211 its reverse (11203001202), we get a palindrome (31413031413).

The spelling of 20210030211 in words is "twenty billion, two hundred ten million, thirty thousand, two hundred eleven".