20202112031422 has 4 divisors (see below), whose sum is σ = 30303168047136. Its totient is φ = 10101056015710.

The previous prime is 20202112031399. The next prime is 20202112031473. The reversal of 20202112031422 is 22413021120202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20202112031393 and 20202112031402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050528007854 + ... + 5050528007857.

It is an arithmetic number, because the mean of its divisors is an integer number (7575792011784).

Almost surely, 2^{20202112031422} is an apocalyptic number.

20202112031422 is a deficient number, since it is larger than the sum of its proper divisors (10101056015714).

20202112031422 is a wasteful number, since it uses less digits than its factorization.

20202112031422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101056015713.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20202112031422 its reverse (22413021120202), we get a palindrome (42615133151624).

The spelling of 20202112031422 in words is "twenty trillion, two hundred two billion, one hundred twelve million, thirty-one thousand, four hundred twenty-two".