20404121030 has 16 divisors (see below), whose sum is σ = 36995503680. Its totient is φ = 8102073792.

The previous prime is 20404121009. The next prime is 20404121041. The reversal of 20404121030 is 3012140402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7445390 + ... + 7448129.

It is an arithmetic number, because the mean of its divisors is an integer number (2312218980).

Almost surely, 2^20404121030 is an apocalyptic number.

20404121030 is a deficient number, since it is larger than the sum of its proper divisors (16591382650).

20404121030 is a wasteful number, since it uses less digits than its factorization.

20404121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893663.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20404121030 its reverse (3012140402), we get a palindrome (23416261432).

The spelling of 20404121030 in words is "twenty billion, four hundred four million, one hundred twenty-one thousand, thirty".