20145061032 has 32 divisors (see below), whose sum is σ = 51591012480. Its totient is φ = 6551239040.

The previous prime is 20145061019. The next prime is 20145061039. The reversal of 20145061032 is 23016054102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20145060993 and 20145061011.

It is not an unprimeable number, because it can be changed into a prime (20145061039) 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 7 ways as a sum of consecutive naturals, for example, 10235328 + ... + 10237295.

It is an arithmetic number, because the mean of its divisors is an integer number (1612219140).

Almost surely, 2^20145061032 is an apocalyptic number.

It is an amenable number.

20145061032 is an abundant number, since it is smaller than the sum of its proper divisors (31445951448).

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

20145061032 is a wasteful number, since it uses less digits than its factorization.

20145061032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20472673 (or 20472669 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 20145061032 in words is "twenty billion, one hundred forty-five million, sixty-one thousand, thirty-two".