20656266150630 has 64 divisors (see below), whose sum is σ = 54087446020608. Its totient is φ = 5007062492160.

The previous prime is 20656266150623. The next prime is 20656266150631. The reversal of 20656266150630 is 3605166265602.

It is a self number, because there is not a number n which added to its sum of digits gives 20656266150630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20656266150631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27522 + ... + 6427541.

It is an arithmetic number, because the mean of its divisors is an integer number (845116344072).

Almost surely, 2^{20656266150630} is an apocalyptic number.

20656266150630 is an abundant number, since it is smaller than the sum of its proper divisors (33431179869978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20656266150630 is a wasteful number, since it uses less digits than its factorization.

20656266150630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464781.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 20656266150630 in words is "twenty trillion, six hundred fifty-six billion, two hundred sixty-six million, one hundred fifty thousand, six hundred thirty".