20436151146 has 32 divisors (see below), whose sum is σ = 43312848768. Its totient is φ = 6405964800.

The previous prime is 20436151139. The next prime is 20436151171. The reversal of 20436151146 is 64115163402.

It is a super-2 number, since 2×20436151146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39091 + ... + 205913.

It is an arithmetic number, because the mean of its divisors is an integer number (1353526524).

Almost surely, 2^20436151146 is an apocalyptic number.

20436151146 is an abundant number, since it is smaller than the sum of its proper divisors (22876697622).

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

20436151146 is a wasteful number, since it uses less digits than its factorization.

20436151146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168046.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 20436151146 in words is "twenty billion, four hundred thirty-six million, one hundred fifty-one thousand, one hundred forty-six".