20401104440030 has 32 divisors (see below), whose sum is σ = 37227079687968. Its totient is φ = 8048211494400.

The previous prime is 20401104439999. The next prime is 20401104440051. The reversal of 20401104440030 is 3004440110402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20401104439978 and 20401104440005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12650210 + ... + 14171450.

It is an arithmetic number, because the mean of its divisors is an integer number (1163346240249).

Almost surely, 2^{20401104440030} is an apocalyptic number.

20401104440030 is a deficient number, since it is larger than the sum of its proper divisors (16825975247938).

20401104440030 is a wasteful number, since it uses less digits than its factorization.

20401104440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539692.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20401104440030 its reverse (3004440110402), we get a palindrome (23405544550432).

The spelling of 20401104440030 in words is "twenty trillion, four hundred one billion, one hundred four million, four hundred forty thousand, thirty".