20356374073 has 8 divisors (see below), whose sum is σ = 24632923392. Its totient is φ = 16421948736.

The previous prime is 20356374067. The next prime is 20356374079. The reversal of 20356374073 is 37047365302.

It is an interprime number because it is at equal distance from previous prime (20356374067) and next prime (20356374079).

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

It is a cyclic number.

It is not a de Polignac number, because 20356374073 - 2⁵ = 20356374041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20356374079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85530865 + ... + 85531102.

It is an arithmetic number, because the mean of its divisors is an integer number (3079115424).

Almost surely, 2^20356374073 is an apocalyptic number.

It is an amenable number.

20356374073 is a deficient number, since it is larger than the sum of its proper divisors (4276549319).

20356374073 is a wasteful number, since it uses less digits than its factorization.

20356374073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171061991.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 20356374073 in words is "twenty billion, three hundred fifty-six million, three hundred seventy-four thousand, seventy-three".