20001408002 has 8 divisors (see below), whose sum is σ = 30022292736. Its totient is φ = 9993977092.

The previous prime is 20001407957. The next prime is 20001408059. The reversal of 20001408002 is 20080410002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3359738 + ... + 3365685.

It is an arithmetic number, because the mean of its divisors is an integer number (3752786592).

Almost surely, 2^20001408002 is an apocalyptic number.

20001408002 is a deficient number, since it is larger than the sum of its proper divisors (10020884734).

20001408002 is a wasteful number, since it uses less digits than its factorization.

20001408002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726912.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20001408002 its reverse (20080410002), we get a palindrome (40081818004).

The spelling of 20001408002 in words is "twenty billion, one million, four hundred eight thousand, two".