20352263532402 has 32 divisors (see below), whose sum is σ = 41703860278080. Its totient is φ = 6617584212480.

The previous prime is 20352263532379. The next prime is 20352263532421. The reversal of 20352263532402 is 20423536225302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915543 + ... + 8054010.

It is an arithmetic number, because the mean of its divisors is an integer number (1303245633690).

Almost surely, 2^{20352263532402} is an apocalyptic number.

20352263532402 is an abundant number, since it is smaller than the sum of its proper divisors (21351596745678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20352263532402 is a wasteful number, since it uses less digits than its factorization.

20352263532402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975978.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 20352263532402 its reverse (20423536225302), we get a palindrome (40775799757704).

The spelling of 20352263532402 in words is "twenty trillion, three hundred fifty-two billion, two hundred sixty-three million, five hundred thirty-two thousand, four hundred two".