20012025355 has 32 divisors (see below), whose sum is σ = 28520755200. Its totient is φ = 13190636160.

The previous prime is 20012025349. The next prime is 20012025359. The reversal of 20012025355 is 55352021002.

It is a happy number.

It is not a de Polignac number, because 20012025355 - 2³ = 20012025347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012025359) 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, 99772 + ... + 223558.

It is an arithmetic number, because the mean of its divisors is an integer number (891273600).

Almost surely, 2^20012025355 is an apocalyptic number.

20012025355 is a deficient number, since it is larger than the sum of its proper divisors (8508729845).

20012025355 is a wasteful number, since it uses less digits than its factorization.

20012025355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123979.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 20012025355 its reverse (55352021002), we get a palindrome (75364046357).

The spelling of 20012025355 in words is "twenty billion, twelve million, twenty-five thousand, three hundred fifty-five".