20727664250698 has 8 divisors (see below), whose sum is σ = 31091621145408. Its totient is φ = 10363790535564.

The previous prime is 20727664250693. The next prime is 20727664250807. The reversal of 20727664250698 is 89605246672702.

It is a happy number.

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

It is a super-3 number, since 3×20727664250698³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20727664250693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168136 + ... + 21170947.

It is an arithmetic number, because the mean of its divisors is an integer number (3886452643176).

Almost surely, 2^{20727664250698} is an apocalyptic number.

20727664250698 is a deficient number, since it is larger than the sum of its proper divisors (10363956894710).

20727664250698 is a wasteful number, since it uses less digits than its factorization.

20727664250698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41589788.

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 20727664250698 in words is "twenty trillion, seven hundred twenty-seven billion, six hundred sixty-four million, two hundred fifty thousand, six hundred ninety-eight".