20670056029 has 8 divisors (see below), whose sum is σ = 23625347840. Its totient is φ = 17715370896.

The previous prime is 20670056009. The next prime is 20670056039. The reversal of 20670056029 is 92065007602.

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 20670056029 - 2⁹ = 20670055517 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 (20670056009) 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, 76149 + ... + 217114.

It is an arithmetic number, because the mean of its divisors is an integer number (2953168480).

Almost surely, 2^20670056029 is an apocalyptic number.

It is an amenable number.

20670056029 is a deficient number, since it is larger than the sum of its proper divisors (2955291811).

20670056029 is a wasteful number, since it uses less digits than its factorization.

20670056029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303339.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 20670056029 in words is "twenty billion, six hundred seventy million, fifty-six thousand, twenty-nine".