20202123111230 has 64 divisors (see below), whose sum is σ = 38895397490880. Its totient is φ = 7540761984000.

The previous prime is 20202123111197. The next prime is 20202123111239. The reversal of 20202123111230 is 3211132120202.

It is a super-2 number, since 2×20202123111230² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202123111239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6667421 + ... + 9211880.

It is an arithmetic number, because the mean of its divisors is an integer number (607740585795).

Almost surely, 2^{20202123111230} is an apocalyptic number.

20202123111230 is a deficient number, since it is larger than the sum of its proper divisors (18693274379650).

20202123111230 is a wasteful number, since it uses less digits than its factorization.

20202123111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15879485.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20202123111230 its reverse (3211132120202), we get a palindrome (23413255231432).

The spelling of 20202123111230 in words is "twenty trillion, two hundred two billion, one hundred twenty-three million, one hundred eleven thousand, two hundred thirty".