20470196134 has 4 divisors (see below), whose sum is σ = 30705294204. Its totient is φ = 10235098066.

The previous prime is 20470196107. The next prime is 20470196137. The reversal of 20470196134 is 43169107402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20470196093 and 20470196102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20470196137) by changing a digit.

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, 5117549032 + ... + 5117549035.

It is an arithmetic number, because the mean of its divisors is an integer number (7676323551).

Almost surely, 2^20470196134 is an apocalyptic number.

20470196134 is a deficient number, since it is larger than the sum of its proper divisors (10235098070).

20470196134 is a wasteful number, since it uses less digits than its factorization.

20470196134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235098069.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 20470196134 in words is "twenty billion, four hundred seventy million, one hundred ninety-six thousand, one hundred thirty-four".