20316262153421 has 8 divisors (see below), whose sum is σ = 21879100293120. Its totient is φ = 18753430977072.

The previous prime is 20316262153409. The next prime is 20316262153441. The reversal of 20316262153421 is 12435126261302.

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

It is a cyclic number.

It is not a de Polignac number, because 20316262153421 - 2²² = 20316257959117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20316262153441) 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, 5405300 + ... + 8357618.

It is an arithmetic number, because the mean of its divisors is an integer number (2734887536640).

Almost surely, 2^{20316262153421} is an apocalyptic number.

It is an amenable number.

20316262153421 is a deficient number, since it is larger than the sum of its proper divisors (1562838139699).

20316262153421 is a wasteful number, since it uses less digits than its factorization.

20316262153421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481675.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20316262153421 in words is "twenty trillion, three hundred sixteen billion, two hundred sixty-two million, one hundred fifty-three thousand, four hundred twenty-one".