20433255233402 has 12 divisors (see below), whose sum is σ = 33689540653818. Its totient is φ = 9287843287800.

The previous prime is 20433255233389. The next prime is 20433255233429.

20433255233402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 17987531451241 + 2445723782161 = 4241171^2 + 1563881^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42217469249 + ... + 42217469732.

Almost surely, 2^{20433255233402} is an apocalyptic number.

20433255233402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20433255233402 is a deficient number, since it is larger than the sum of its proper divisors (13256285420416).

20433255233402 is a wasteful number, since it uses less digits than its factorization.

20433255233402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84434939005 (or 84434938994 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 38.

It can be divided in two parts, 2043325 and 5233402, that added together give a palindrome (7276727).

The spelling of 20433255233402 in words is "twenty trillion, four hundred thirty-three billion, two hundred fifty-five million, two hundred thirty-three thousand, four hundred two".