20434949432 has 32 divisors (see below), whose sum is σ = 38714777280. Its totient is φ = 10111113600.

The previous prime is 20434949417. The next prime is 20434949453. The reversal of 20434949432 is 23494943402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920158 + ... + 1930770.

It is an arithmetic number, because the mean of its divisors is an integer number (1209836790).

Almost surely, 2^20434949432 is an apocalyptic number.

It is an amenable number.

20434949432 is a deficient number, since it is larger than the sum of its proper divisors (18279827848).

20434949432 is a wasteful number, since it uses less digits than its factorization.

20434949432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103 (or 13099 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 20434949432 in words is "twenty billion, four hundred thirty-four million, nine hundred forty-nine thousand, four hundred thirty-two".