20607425355 has 16 divisors (see below), whose sum is σ = 35969324544. Its totient is φ = 9991478880.

The previous prime is 20607425329. The next prime is 20607425357. The reversal of 20607425355 is 55352470602.

It is a happy number.

It is not a de Polignac number, because 20607425355 - 2⁵ = 20607425323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20607425357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62446579 + ... + 62446908.

It is an arithmetic number, because the mean of its divisors is an integer number (2248082784).

Almost surely, 2^20607425355 is an apocalyptic number.

20607425355 is a deficient number, since it is larger than the sum of its proper divisors (15361899189).

20607425355 is a wasteful number, since it uses less digits than its factorization.

20607425355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124893506.

The product of its (nonzero) digits is 252000, while the sum is 39.

Adding to 20607425355 its reverse (55352470602), we get a palindrome (75959895957).

The spelling of 20607425355 in words is "twenty billion, six hundred seven million, four hundred twenty-five thousand, three hundred fifty-five".