20146167003450 has 96 divisors (see below), whose sum is σ = 51629240517120. Its totient is φ = 5193461145600.

The previous prime is 20146167003409. The next prime is 20146167003511. The reversal of 20146167003450 is 5430076164102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20146167003399 and 20146167003408.

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 47 ways as a sum of consecutive naturals, for example, 2045146 + ... + 6668954.

It is an arithmetic number, because the mean of its divisors is an integer number (537804588720).

Almost surely, 2^{20146167003450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20146167003450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25814620258560).

20146167003450 is an abundant number, since it is smaller than the sum of its proper divisors (31483073513670).

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

20146167003450 is a wasteful number, since it uses less digits than its factorization.

20146167003450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624792 (or 4624787 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 20146167003450 in words is "twenty trillion, one hundred forty-six billion, one hundred sixty-seven million, three thousand, four hundred fifty".