20520000043055 has 16 divisors (see below), whose sum is σ = 24842297095200. Its totient is φ = 16270473182208.

The previous prime is 20520000043001. The next prime is 20520000043063. The reversal of 20520000043055 is 55034000002502.

It is a cyclic number.

It is not a de Polignac number, because 20520000043055 - 2¹² = 20520000038959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41679971 + ... + 42169419.

It is an arithmetic number, because the mean of its divisors is an integer number (1552643568450).

Almost surely, 2^{20520000043055} is an apocalyptic number.

20520000043055 is a deficient number, since it is larger than the sum of its proper divisors (4322297052145).

20520000043055 is a wasteful number, since it uses less digits than its factorization.

20520000043055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563770.

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 20520000043055 its reverse (55034000002502), we get a palindrome (75554000045557).

The spelling of 20520000043055 in words is "twenty trillion, five hundred twenty billion, forty-three thousand, fifty-five".