20434130223002 has 4 divisors (see below), whose sum is σ = 30651195334506. Its totient is φ = 10217065111500.

The previous prime is 20434130222977. The next prime is 20434130223019. The reversal of 20434130223002 is 20032203143402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18154510377721 + 2279619845281 = 4260811^2 + 1509841^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108532555749 + ... + 5108532555752.

Almost surely, 2^{20434130223002} is an apocalyptic number.

20434130223002 is a deficient number, since it is larger than the sum of its proper divisors (10217065111504).

20434130223002 is a wasteful number, since it uses less digits than its factorization.

20434130223002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217065111503.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20434130223002 its reverse (20032203143402), we get a palindrome (40466333366404).

The spelling of 20434130223002 in words is "twenty trillion, four hundred thirty-four billion, one hundred thirty million, two hundred twenty-three thousand, two".