211233023020 has 48 divisors (see below), whose sum is σ = 445785016320. Its totient is φ = 84075529664.

The previous prime is 211233022961. The next prime is 211233023039. The reversal of 211233023020 is 20320332112.

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, 6518097 + ... + 6550423.

It is an arithmetic number, because the mean of its divisors is an integer number (9287187840).

Almost surely, 2^211233023020 is an apocalyptic number.

211233023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211233023020 is an abundant number, since it is smaller than the sum of its proper divisors (234551993300).

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

211233023020 is a wasteful number, since it uses less digits than its factorization.

211233023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33942 (or 33940 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 211233023020 its reverse (20320332112), we get a palindrome (231553355132).

The spelling of 211233023020 in words is "two hundred eleven billion, two hundred thirty-three million, twenty-three thousand, twenty".