20434276474 has 8 divisors (see below), whose sum is σ = 30657832128. Its totient is φ = 10214999100.

The previous prime is 20434276441. The next prime is 20434276477. The reversal of 20434276474 is 47467243402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20434276474.

It is not an unprimeable number, because it can be changed into a prime (20434276477) 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 in 3 ways as a sum of consecutive naturals, for example, 1057602 + ... + 1076749.

It is an arithmetic number, because the mean of its divisors is an integer number (3832229016).

Almost surely, 2^20434276474 is an apocalyptic number.

20434276474 is a deficient number, since it is larger than the sum of its proper divisors (10223555654).

20434276474 is a wasteful number, since it uses less digits than its factorization.

20434276474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139140.

The product of its (nonzero) digits is 903168, while the sum is 43.

The spelling of 20434276474 in words is "twenty billion, four hundred thirty-four million, two hundred seventy-six thousand, four hundred seventy-four".