20110400002 has 32 divisors (see below), whose sum is σ = 39821362560. Its totient is φ = 7374324480.

The previous prime is 20110399999. The next prime is 20110400021. The reversal of 20110400002 is 20000401102.

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, 3838177 + ... + 3843412.

It is an arithmetic number, because the mean of its divisors is an integer number (1244417580).

Almost surely, 2^20110400002 is an apocalyptic number.

20110400002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110400002 is a deficient number, since it is larger than the sum of its proper divisors (19710962558).

20110400002 is a wasteful number, since it uses less digits than its factorization.

20110400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681626.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110400002 its reverse (20000401102), we get a palindrome (40110801104).

The spelling of 20110400002 in words is "twenty billion, one hundred ten million, four hundred thousand, two".