20550645006135 has 16 divisors (see below), whose sum is σ = 33047940806496. Its totient is φ = 10904707737728.

The previous prime is 20550645006131. The next prime is 20550645006139. The reversal of 20550645006135 is 53160054605502.

It is an interprime number because it is at equal distance from previous prime (20550645006131) and next prime (20550645006139).

It is a cyclic number.

It is not a de Polignac number, because 20550645006135 - 2² = 20550645006131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550645006131) 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, 3477263544 + ... + 3477269453.

It is an arithmetic number, because the mean of its divisors is an integer number (2065496300406).

Almost surely, 2^{20550645006135} is an apocalyptic number.

20550645006135 is a deficient number, since it is larger than the sum of its proper divisors (12497295800361).

20550645006135 is a wasteful number, since it uses less digits than its factorization.

20550645006135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954533202.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 20550645006135 in words is "twenty trillion, five hundred fifty billion, six hundred forty-five million, six thousand, one hundred thirty-five".