20555041012 has 36 divisors (see below), whose sum is σ = 39585345408. Its totient is φ = 9332184400.

The previous prime is 20555041007. The next prime is 20555041021. The reversal of 20555041012 is 21014055502.

It is a super-2 number, since 2×20555041012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393087 + ... + 442297.

It is an arithmetic number, because the mean of its divisors is an integer number (1099592928).

Almost surely, 2^20555041012 is an apocalyptic number.

20555041012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20555041012 is a deficient number, since it is larger than the sum of its proper divisors (19030304396).

20555041012 is a wasteful number, since it uses less digits than its factorization.

20555041012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50100 (or 50087 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 20555041012 its reverse (21014055502), we get a palindrome (41569096514).

The spelling of 20555041012 in words is "twenty billion, five hundred fifty-five million, forty-one thousand, twelve".