20213020351124 has 12 divisors (see below), whose sum is σ = 36910732815264. Its totient is φ = 9667096689624.

The previous prime is 20213020351039. The next prime is 20213020351187. The reversal of 20213020351124 is 42115302031202.

It is a junction number, because it is equal to n+sod(n) for n = 20213020351093 and 20213020351102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109853371382 + ... + 109853371565.

It is an arithmetic number, because the mean of its divisors is an integer number (3075894401272).

Almost surely, 2^{20213020351124} is an apocalyptic number.

It is an amenable number.

20213020351124 is a deficient number, since it is larger than the sum of its proper divisors (16697712464140).

20213020351124 is a wasteful number, since it uses less digits than its factorization.

20213020351124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219706742974 (or 219706742972 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20213020351124 its reverse (42115302031202), we get a palindrome (62328322382326).

The spelling of 20213020351124 in words is "twenty trillion, two hundred thirteen billion, twenty million, three hundred fifty-one thousand, one hundred twenty-four".