20269567694 has 8 divisors (see below), whose sum is σ = 30416683368. Its totient is φ = 10130673240.

The previous prime is 20269567693. The next prime is 20269567709. The reversal of 20269567694 is 49676596202.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20269567693) 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, 2049137 + ... + 2059004.

It is an arithmetic number, because the mean of its divisors is an integer number (3802085421).

Almost surely, 2^20269567694 is an apocalyptic number.

20269567694 is a deficient number, since it is larger than the sum of its proper divisors (10147115674).

20269567694 is a wasteful number, since it uses less digits than its factorization.

20269567694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110610.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 20269567694 in words is "twenty billion, two hundred sixty-nine million, five hundred sixty-seven thousand, six hundred ninety-four".