2002154403604 has 48 divisors (see below), whose sum is σ = 3557440793088. Its totient is φ = 985860826848.

The previous prime is 2002154403589. The next prime is 2002154403617. The reversal of 2002154403604 is 4063044512002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84814467 + ... + 84838069.

It is an arithmetic number, because the mean of its divisors is an integer number (74113349856).

Almost surely, 2^{2002154403604} is an apocalyptic number.

It is an amenable number.

2002154403604 is a deficient number, since it is larger than the sum of its proper divisors (1555286389484).

2002154403604 is a wasteful number, since it uses less digits than its factorization.

2002154403604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24844 (or 24842 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2002154403604 its reverse (4063044512002), we get a palindrome (6065198915606).

The spelling of 2002154403604 in words is "two trillion, two billion, one hundred fifty-four million, four hundred three thousand, six hundred four".