20512329061 has 8 divisors (see below), whose sum is σ = 23458874240. Its totient is φ = 17569837008.

The previous prime is 20512329031. The next prime is 20512329077. The reversal of 20512329061 is 16092321502.

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 20512329061 - 2¹⁵ = 20512296293 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 (20512329011) 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, 1002426 + ... + 1022683.

It is an arithmetic number, because the mean of its divisors is an integer number (2932359280).

Almost surely, 2^20512329061 is an apocalyptic number.

It is an amenable number.

20512329061 is a deficient number, since it is larger than the sum of its proper divisors (2946545179).

20512329061 is a wasteful number, since it uses less digits than its factorization.

20512329061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026563.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 20512329061 in words is "twenty billion, five hundred twelve million, three hundred twenty-nine thousand, sixty-one".