20346503051055 has 16 divisors (see below), whose sum is σ = 32571638598240. Its totient is φ = 10845723721728.

The previous prime is 20346503051041. The next prime is 20346503051059. The reversal of 20346503051055 is 55015030564302.

It is not a de Polignac number, because 20346503051055 - 2⁵ = 20346503051023 is a prime.

It is a super-2 number, since 2×20346503051055² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346503051059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359006482 + ... + 359063151.

It is an arithmetic number, because the mean of its divisors is an integer number (2035727412390).

Almost surely, 2^{20346503051055} is an apocalyptic number.

20346503051055 is a deficient number, since it is larger than the sum of its proper divisors (12225135547185).

20346503051055 is a wasteful number, since it uses less digits than its factorization.

20346503051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718071530.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 20346503051055 in words is "twenty trillion, three hundred forty-six billion, five hundred three million, fifty-one thousand, fifty-five".