20154444150 has 48 divisors (see below), whose sum is σ = 50244784128. Its totient is φ = 5346372000.

The previous prime is 20154444053. The next prime is 20154444203. The reversal of 20154444150 is 5144445102.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 323086 + ... + 380385.

It is an arithmetic number, because the mean of its divisors is an integer number (1046766336).

Almost surely, 2^20154444150 is an apocalyptic number.

20154444150 is an abundant number, since it is smaller than the sum of its proper divisors (30090339978).

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

20154444150 is a wasteful number, since it uses less digits than its factorization.

20154444150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703677 (or 703672 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 20154444150 its reverse (5144445102), we get a palindrome (25298889252).

The spelling of 20154444150 in words is "twenty billion, one hundred fifty-four million, four hundred forty-four thousand, one hundred fifty".