20670097478352 has 200 divisors, whose sum is σ = 62338684027200. Its totient is φ = 5901474700800.

The previous prime is 20670097478333. The next prime is 20670097478369. The reversal of 20670097478352 is 25387479007602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 161167852 + ... + 161296052.

It is an arithmetic number, because the mean of its divisors is an integer number (311693420136).

Almost surely, 2^{20670097478352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20670097478352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31169342013600).

20670097478352 is an abundant number, since it is smaller than the sum of its proper divisors (41668586548848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20670097478352 is a wasteful number, since it uses less digits than its factorization.

20670097478352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129639 (or 129612 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 20670097478352 in words is "twenty trillion, six hundred seventy billion, ninety-seven million, four hundred seventy-eight thousand, three hundred fifty-two".