20202312221032 has 16 divisors (see below), whose sum is σ = 37883828404800. Its totient is φ = 10099957979760.

The previous prime is 20202312221017. The next prime is 20202312221081. The reversal of 20202312221032 is 23012221320202.

It is a junction number, because it is equal to n+sod(n) for n = 20202312220994 and 20202312221012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149694682 + ... + 149829577.

It is an arithmetic number, because the mean of its divisors is an integer number (2367739275300).

Almost surely, 2^{20202312221032} is an apocalyptic number.

It is an amenable number.

20202312221032 is a deficient number, since it is larger than the sum of its proper divisors (17681516183768).

20202312221032 is a wasteful number, since it uses less digits than its factorization.

20202312221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299532696 (or 299532692 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20202312221032 its reverse (23012221320202), we get a palindrome (43214533541234).

The spelling of 20202312221032 in words is "twenty trillion, two hundred two billion, three hundred twelve million, two hundred twenty-one thousand, thirty-two".