20434822843402 has 32 divisors (see below), whose sum is σ = 35214063353280. Its totient is φ = 8795853118080.

The previous prime is 20434822843349. The next prime is 20434822843433.

It is a happy number.

20434822843402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9681373 + ... + 11601664.

It is an arithmetic number, because the mean of its divisors is an integer number (1100439479790).

Almost surely, 2^{20434822843402} is an apocalyptic number.

20434822843402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20434822843402 is a deficient number, since it is larger than the sum of its proper divisors (14779240509878).

20434822843402 is a wasteful number, since it uses less digits than its factorization.

20434822843402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21285366.

The product of its (nonzero) digits is 2359296, while the sum is 46.

It can be divided in two parts, 2043482 and 2843402, that added together give a palindrome (4886884).

The spelling of 20434822843402 in words is "twenty trillion, four hundred thirty-four billion, eight hundred twenty-two million, eight hundred forty-three thousand, four hundred two".