213124423402220 has 48 divisors (see below), whose sum is σ = 488258355465216. Its totient is φ = 77498254392000.

The previous prime is 213124423402213. The next prime is 213124423402243. The reversal of 213124423402220 is 22204324421312.

213124423402220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1555715 + ... + 20704325.

It is an arithmetic number, because the mean of its divisors is an integer number (10172049072192).

Almost surely, 2^{213124423402220} is an apocalyptic number.

213124423402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213124423402220 is an abundant number, since it is smaller than the sum of its proper divisors (275133932062996).

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

213124423402220 is a wasteful number, since it uses less digits than its factorization.

213124423402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19199222 (or 19199220 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 213124423402220 its reverse (22204324421312), we get a palindrome (235328747823532).

The spelling of 213124423402220 in words is "two hundred thirteen trillion, one hundred twenty-four billion, four hundred twenty-three million, four hundred two thousand, two hundred twenty".