20211055626 has 16 divisors (see below), whose sum is σ = 40423616064. Its totient is φ = 6736767744.

The previous prime is 20211055583. The next prime is 20211055679. The reversal of 20211055626 is 62655011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211055593 and 20211055602.

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, 190651 + ... + 277073.

It is an arithmetic number, because the mean of its divisors is an integer number (2526476004).

Almost surely, 2^20211055626 is an apocalyptic number.

20211055626 is an abundant number, since it is smaller than the sum of its proper divisors (20212560438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211055626 is a wasteful number, since it uses less digits than its factorization.

20211055626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125405.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 20211055626 its reverse (62655011202), we get a palindrome (82866066828).

The spelling of 20211055626 in words is "twenty billion, two hundred eleven million, fifty-five thousand, six hundred twenty-six".