20650063145231 has 32 divisors (see below), whose sum is σ = 23824841779200. Its totient is φ = 17752595091840.

The previous prime is 20650063145119. The next prime is 20650063145333. The reversal of 20650063145231 is 13254136005602.

It is a cyclic number.

It is not a de Polignac number, because 20650063145231 - 2²⁶ = 20649996036367 is a prime.

It is a super-2 number, since 2×20650063145231² (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 (20650063144231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710180 + ... + 6465638.

It is an arithmetic number, because the mean of its divisors is an integer number (744526305600).

Almost surely, 2^{20650063145231} is an apocalyptic number.

20650063145231 is a deficient number, since it is larger than the sum of its proper divisors (3174778633969).

20650063145231 is a wasteful number, since it uses less digits than its factorization.

20650063145231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755839.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 20650063145231 in words is "twenty trillion, six hundred fifty billion, sixty-three million, one hundred forty-five thousand, two hundred thirty-one".