20700253698 has 8 divisors (see below), whose sum is σ = 41400507408. Its totient is φ = 6900084564.

The previous prime is 20700253657. The next prime is 20700253747. The reversal of 20700253698 is 89635200702.

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

20700253698 is an admirable number.

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, 1725021136 + ... + 1725021147.

It is an arithmetic number, because the mean of its divisors is an integer number (5175063426).

Almost surely, 2^20700253698 is an apocalyptic number.

20700253698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20700253698 is a wasteful number, since it uses less digits than its factorization.

20700253698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450042288.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 20700253698 in words is "twenty billion, seven hundred million, two hundred fifty-three thousand, six hundred ninety-eight".