20306167000 has 128 divisors (see below), whose sum is σ = 54671760000. Its totient is φ = 6915033600.

The previous prime is 20306166997. The next prime is 20306167001. The reversal of 20306167000 is 76160302.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20306167001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033266 + ... + 1052734.

It is an arithmetic number, because the mean of its divisors is an integer number (427123125).

Almost surely, 2^20306167000 is an apocalyptic number.

20306167000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20306167000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27335880000).

20306167000 is an abundant number, since it is smaller than the sum of its proper divisors (34365593000).

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

20306167000 is a wasteful number, since it uses less digits than its factorization.

20306167000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19646 (or 19632 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 20306167000 in words is "twenty billion, three hundred six million, one hundred sixty-seven thousand".