20142873474730 has 32 divisors (see below), whose sum is σ = 36267826630464. Its totient is φ = 8054782114176.

The previous prime is 20142873474719. The next prime is 20142873474751. The reversal of 20142873474730 is 3747437824102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808710937 + ... + 808735843.

It is an arithmetic number, because the mean of its divisors is an integer number (1133369582202).

Almost surely, 2^{20142873474730} is an apocalyptic number.

20142873474730 is a deficient number, since it is larger than the sum of its proper divisors (16124953155734).

20142873474730 is a wasteful number, since it uses less digits than its factorization.

20142873474730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45430.

The product of its (nonzero) digits is 6322176, while the sum is 52.

The spelling of 20142873474730 in words is "twenty trillion, one hundred forty-two billion, eight hundred seventy-three million, four hundred seventy-four thousand, seven hundred thirty".