20152445005 has 32 divisors (see below), whose sum is σ = 30461034240. Its totient is φ = 12433029120.

The previous prime is 20152444979. The next prime is 20152445017. The reversal of 20152445005 is 50054425102.

It is not a de Polignac number, because 20152445005 - 2²⁹ = 19615574093 is a prime.

It is a super-2 number, since 2×20152445005² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 232470 + ... + 307159.

It is an arithmetic number, because the mean of its divisors is an integer number (951907320).

Almost surely, 2^20152445005 is an apocalyptic number.

It is an amenable number.

20152445005 is a deficient number, since it is larger than the sum of its proper divisors (10308589235).

20152445005 is a wasteful number, since it uses less digits than its factorization.

20152445005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539749.

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 20152445005 in words is "twenty billion, one hundred fifty-two million, four hundred forty-five thousand, five".