20435141145 has 16 divisors (see below), whose sum is σ = 32699120832. Its totient is φ = 10897776960.

The previous prime is 20435141101. The next prime is 20435141149. The reversal of 20435141145 is 54114153402.

It is not a de Polignac number, because 20435141145 - 2⁶ = 20435141081 is a prime.

It is a super-2 number, since 2×20435141145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20435141149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135190 + ... + 243200.

It is an arithmetic number, because the mean of its divisors is an integer number (2043695052).

Almost surely, 2^20435141145 is an apocalyptic number.

It is an amenable number.

20435141145 is a deficient number, since it is larger than the sum of its proper divisors (12263979687).

20435141145 is a wasteful number, since it uses less digits than its factorization.

20435141145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120632.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 20435141145 its reverse (54114153402), we get a palindrome (74549294547).

The spelling of 20435141145 in words is "twenty billion, four hundred thirty-five million, one hundred forty-one thousand, one hundred forty-five".