20614426406355 has 32 divisors (see below), whose sum is σ = 33716197267200. Its totient is φ = 10752350159232.

The previous prime is 20614426406351. The next prime is 20614426406363. The reversal of 20614426406355 is 55360462441602.

It is not a de Polignac number, because 20614426406355 - 2² = 20614426406351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20614426406351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73644000 + ... + 73923389.

It is an arithmetic number, because the mean of its divisors is an integer number (1053631164600).

Almost surely, 2^{20614426406355} is an apocalyptic number.

20614426406355 is a deficient number, since it is larger than the sum of its proper divisors (13101770860845).

20614426406355 is a wasteful number, since it uses less digits than its factorization.

20614426406355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147567603.

The product of its (nonzero) digits is 4147200, while the sum is 48.

Adding to 20614426406355 its reverse (55360462441602), we get a palindrome (75974888847957).

The spelling of 20614426406355 in words is "twenty trillion, six hundred fourteen billion, four hundred twenty-six million, four hundred six thousand, three hundred fifty-five".