20213124230 has 32 divisors (see below), whose sum is σ = 40138041888. Its totient is φ = 7281273600.

The previous prime is 20213124223. The next prime is 20213124233. The reversal of 20213124230 is 3242131202.

It is a super-2 number, since 2×20213124230² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213124233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890836 + ... + 1901495.

It is an arithmetic number, because the mean of its divisors is an integer number (1254313809).

Almost surely, 2^20213124230 is an apocalyptic number.

20213124230 is a deficient number, since it is larger than the sum of its proper divisors (19924917658).

20213124230 is a wasteful number, since it uses less digits than its factorization.

20213124230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792392.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20213124230 its reverse (3242131202), we get a palindrome (23455255432).

The spelling of 20213124230 in words is "twenty billion, two hundred thirteen million, one hundred twenty-four thousand, two hundred thirty".