20263021652224 has 36 divisors (see below), whose sum is σ = 43558190181436. Its totient is φ = 9352163837952.

The previous prime is 20263021652171. The next prime is 20263021652233. The reversal of 20263021652224 is 42225612036202.

It can be written as a sum of positive squares in 2 ways, for example, as 5436209338624 + 14826812313600 = 2331568^2 + 3850560^2 .

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 3 ways as a sum of consecutive naturals, for example, 3044320839 + ... + 3044327494.

Almost surely, 2^{20263021652224} is an apocalyptic number.

It is an amenable number.

20263021652224 is an abundant number, since it is smaller than the sum of its proper divisors (23295168529212).

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

20263021652224 is an equidigital number, since it uses as much as digits as its factorization.

20263021652224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088648362 (or 6088648348 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 20263021652224 its reverse (42225612036202), we get a palindrome (62488633688426).

The spelling of 20263021652224 in words is "twenty trillion, two hundred sixty-three billion, twenty-one million, six hundred fifty-two thousand, two hundred twenty-four".