20434532626 has 4 divisors (see below), whose sum is σ = 30651798942. Its totient is φ = 10217266312.

The previous prime is 20434532617. The next prime is 20434532641. The reversal of 20434532626 is 62623543402.

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., 17348841225 + 3085691401 = 131715^2 + 55549^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108633155 + ... + 5108633158.

Almost surely, 2^20434532626 is an apocalyptic number.

20434532626 is a deficient number, since it is larger than the sum of its proper divisors (10217266316).

20434532626 is a wasteful number, since it uses less digits than its factorization.

20434532626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217266315.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 20434532626 in words is "twenty billion, four hundred thirty-four million, five hundred thirty-two thousand, six hundred twenty-six".