20434433443402 has 64 divisors (see below), whose sum is σ = 35662017484800. Its totient is φ = 8690585992000.

The previous prime is 20434433443397. The next prime is 20434433443423.

20434433443402 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20434433443402² (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1833099 + ... + 6650497.

It is an arithmetic number, because the mean of its divisors is an integer number (557219023200).

Almost surely, 2^{20434433443402} is an apocalyptic number.

20434433443402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20434433443402 is a deficient number, since it is larger than the sum of its proper divisors (15227584041398).

20434433443402 is a wasteful number, since it uses less digits than its factorization.

20434433443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817619.

The product of its (nonzero) digits is 1327104, while the sum is 40.

It can be divided in two parts, 2043443 and 3443402, that added together give a palindrome (5486845).

The spelling of 20434433443402 in words is "twenty trillion, four hundred thirty-four billion, four hundred thirty-three million, four hundred forty-three thousand, four hundred two".