20253734602 has 8 divisors (see below), whose sum is σ = 30387744612. Its totient is φ = 10124486400.

The previous prime is 20253734597. The next prime is 20253734629. The reversal of 20253734602 is 20643735202.

It can be written as a sum of positive squares in 2 ways, for example, as 12888833841 + 7364900761 = 113529^2 + 85819^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179799 + ... + 1196842.

Almost surely, 2^20253734602 is an apocalyptic number.

20253734602 is a deficient number, since it is larger than the sum of its proper divisors (10134010010).

20253734602 is a wasteful number, since it uses less digits than its factorization.

20253734602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380904.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 20253734602 in words is "twenty billion, two hundred fifty-three million, seven hundred thirty-four thousand, six hundred two".