20204051626 has 16 divisors (see below), whose sum is σ = 33064057440. Its totient is φ = 9182859280.

The previous prime is 20204051611. The next prime is 20204051629. The reversal of 20204051626 is 62615040202.

It is a junction number, because it is equal to n+sod(n) for n = 20204051594 and 20204051603.

It is not an unprimeable number, because it can be changed into a prime (20204051629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272205 + ... + 338383.

It is an arithmetic number, because the mean of its divisors is an integer number (2066503590).

Almost surely, 2^20204051626 is an apocalyptic number.

20204051626 is a deficient number, since it is larger than the sum of its proper divisors (12860005814).

20204051626 is a wasteful number, since it uses less digits than its factorization.

20204051626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80069.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 20204051626 its reverse (62615040202), we get a palindrome (82819091828).

The spelling of 20204051626 in words is "twenty billion, two hundred four million, fifty-one thousand, six hundred twenty-six".