20010145888 has 12 divisors (see below), whose sum is σ = 39394974780. Its totient is φ = 10005072928.

The previous prime is 20010145879. The next prime is 20010145927. The reversal of 20010145888 is 88854101002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312658498 + ... + 312658561.

It is an arithmetic number, because the mean of its divisors is an integer number (3282914565).

Almost surely, 2^20010145888 is an apocalyptic number.

It is an amenable number.

20010145888 is a deficient number, since it is larger than the sum of its proper divisors (19384828892).

20010145888 is an equidigital number, since it uses as much as digits as its factorization.

20010145888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625317069 (or 625317061 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The spelling of 20010145888 in words is "twenty billion, ten million, one hundred forty-five thousand, eight hundred eighty-eight".