20106634354356 has 24 divisors (see below), whose sum is σ = 51180523811424. Its totient is φ = 6092919501280.

The previous prime is 20106634354351. The next prime is 20106634354361. The reversal of 20106634354356 is 65345343660102.

It is an interprime number because it is at equal distance from previous prime (20106634354351) and next prime (20106634354361).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106634354351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76161493635 + ... + 76161493898.

It is an arithmetic number, because the mean of its divisors is an integer number (2132521825476).

Almost surely, 2^{20106634354356} is an apocalyptic number.

It is an amenable number.

20106634354356 is an abundant number, since it is smaller than the sum of its proper divisors (31073889457068).

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

20106634354356 is a wasteful number, since it uses less digits than its factorization.

20106634354356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152322987551 (or 152322987549 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 20106634354356 in words is "twenty trillion, one hundred six billion, six hundred thirty-four million, three hundred fifty-four thousand, three hundred fifty-six".