20346310403253 has 48 divisors (see below), whose sum is σ = 31225702060800. Its totient is φ = 12741913215360.

The previous prime is 20346310403233. The next prime is 20346310403299. The reversal of 20346310403253 is 35230401364302.

20346310403253 is a `hidden beast` number, since 20 + 34 + 6 + 310 + 40 + 3 + 253 = 666.

It is not a de Polignac number, because 20346310403253 - 2¹² = 20346310399157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346310403213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292755838 + ... + 292825328.

It is an arithmetic number, because the mean of its divisors is an integer number (650535459600).

Almost surely, 2^{20346310403253} is an apocalyptic number.

It is an amenable number.

20346310403253 is a deficient number, since it is larger than the sum of its proper divisors (10879391657547).

20346310403253 is a wasteful number, since it uses less digits than its factorization.

20346310403253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99882 (or 99879 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 20346310403253 its reverse (35230401364302), we get a palindrome (55576711767555).

The spelling of 20346310403253 in words is "twenty trillion, three hundred forty-six billion, three hundred ten million, four hundred three thousand, two hundred fifty-three".