20069529407 has 8 divisors (see below), whose sum is σ = 20358616080. Its totient is φ = 19782351360.

The previous prime is 20069529353. The next prime is 20069529409. The reversal of 20069529407 is 70492596002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20069529407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20069529409) 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, 455969 + ... + 498042.

It is an arithmetic number, because the mean of its divisors is an integer number (2544827010).

Almost surely, 2^20069529407 is an apocalyptic number.

20069529407 is a deficient number, since it is larger than the sum of its proper divisors (289086673).

20069529407 is a wasteful number, since it uses less digits than its factorization.

20069529407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954313.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 20069529407 in words is "twenty billion, sixty-nine million, five hundred twenty-nine thousand, four hundred seven".