20692010449 has 8 divisors (see below), whose sum is σ = 22625239392. Its totient is φ = 18767471040.

The previous prime is 20692010447. The next prime is 20692010453. The reversal of 20692010449 is 94401029602.

It is a happy number.

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 20692010449 - 2¹ = 20692010447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20692010441) 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, 2167399 + ... + 2176924.

It is an arithmetic number, because the mean of its divisors is an integer number (2828154924).

Almost surely, 2^20692010449 is an apocalyptic number.

It is an amenable number.

20692010449 is a deficient number, since it is larger than the sum of its proper divisors (1933228943).

20692010449 is a wasteful number, since it uses less digits than its factorization.

20692010449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344767.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 20692010449 in words is "twenty billion, six hundred ninety-two million, ten thousand, four hundred forty-nine".