20703660254 has 16 divisors (see below), whose sum is σ = 31107904800. Its totient is φ = 10334373984.

The previous prime is 20703660209. The next prime is 20703660293. The reversal of 20703660254 is 45206630702.

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, 5580152 + ... + 5583860.

It is an arithmetic number, because the mean of its divisors is an integer number (1944244050).

Almost surely, 2^20703660254 is an apocalyptic number.

20703660254 is a deficient number, since it is larger than the sum of its proper divisors (10404244546).

20703660254 is a wasteful number, since it uses less digits than its factorization.

20703660254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20703660254 in words is "twenty billion, seven hundred three million, six hundred sixty thousand, two hundred fifty-four".