234211220020 has 48 divisors (see below), whose sum is σ = 501738951168. Its totient is φ = 91818408960.

The previous prime is 234211219997. The next prime is 234211220027. The reversal of 234211220020 is 20022112432.

It is a self number, because there is not a number n which added to its sum of digits gives 234211220020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234211220027) 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, 386236 + ... + 785875.

It is an arithmetic number, because the mean of its divisors is an integer number (10452894816).

Almost surely, 2^234211220020 is an apocalyptic number.

234211220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234211220020 is an abundant number, since it is smaller than the sum of its proper divisors (267527731148).

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

234211220020 is a wasteful number, since it uses less digits than its factorization.

234211220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172320 (or 1172318 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 234211220020 its reverse (20022112432), we get a palindrome (254233332452).

The spelling of 234211220020 in words is "two hundred thirty-four billion, two hundred eleven million, two hundred twenty thousand, twenty".