20154103602 has 32 divisors (see below), whose sum is σ = 44534904192. Its totient is φ = 6047948544.

The previous prime is 20154103591. The next prime is 20154103609. The reversal of 20154103602 is 20630145102.

It is not an unprimeable number, because it can be changed into a prime (20154103609) 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 15 ways as a sum of consecutive naturals, for example, 4293073 + ... + 4297764.

It is an arithmetic number, because the mean of its divisors is an integer number (1391715756).

Almost surely, 2^20154103602 is an apocalyptic number.

20154103602 is an abundant number, since it is smaller than the sum of its proper divisors (24380800590).

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

20154103602 is a wasteful number, since it uses less digits than its factorization.

20154103602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590882.

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

Adding to 20154103602 its reverse (20630145102), we get a palindrome (40784248704).

The spelling of 20154103602 in words is "twenty billion, one hundred fifty-four million, one hundred three thousand, six hundred two".