20011545150 has 24 divisors (see below), whose sum is σ = 49628632344. Its totient is φ = 5336412000.

The previous prime is 20011545131. The next prime is 20011545263. The reversal of 20011545150 is 5154511002.

It is a self number, because there is not a number n which added to its sum of digits gives 20011545150.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 66705001 + ... + 66705300.

It is an arithmetic number, because the mean of its divisors is an integer number (2067859681).

Almost surely, 2^20011545150 is an apocalyptic number.

20011545150 is an abundant number, since it is smaller than the sum of its proper divisors (29617087194).

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

20011545150 is a wasteful number, since it uses less digits than its factorization.

20011545150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133410316 (or 133410311 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 20011545150 in words is "twenty billion, eleven million, five hundred forty-five thousand, one hundred fifty".