20351655436101 has 8 divisors (see below), whose sum is σ = 29602407907104. Its totient is φ = 12334336627920.

The previous prime is 20351655436097. The next prime is 20351655436109. The reversal of 20351655436101 is 10163455615302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20351655436101 - 2² = 20351655436097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351655436109) 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, 308358415666 + ... + 308358415731.

It is an arithmetic number, because the mean of its divisors is an integer number (3700300988388).

Almost surely, 2^{20351655436101} is an apocalyptic number.

It is an amenable number.

20351655436101 is a deficient number, since it is larger than the sum of its proper divisors (9250752471003).

20351655436101 is a wasteful number, since it uses less digits than its factorization.

20351655436101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616716831411.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 20351655436101 in words is "twenty trillion, three hundred fifty-one billion, six hundred fifty-five million, four hundred thirty-six thousand, one hundred one".