20435202241151 has 4 divisors (see below), whose sum is σ = 20443083154752. Its totient is φ = 20427321327552.

The previous prime is 20435202241073. The next prime is 20435202241183. The reversal of 20435202241151 is 15114220253402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20435202241151 - 2²⁶ = 20435135132287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435202441151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940452911 + ... + 3940458096.

It is an arithmetic number, because the mean of its divisors is an integer number (5110770788688).

Almost surely, 2^{20435202241151} is an apocalyptic number.

20435202241151 is a deficient number, since it is larger than the sum of its proper divisors (7880913601).

20435202241151 is an equidigital number, since it uses as much as digits as its factorization.

20435202241151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880913600.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 20435202241151 its reverse (15114220253402), we get a palindrome (35549422494553).

The spelling of 20435202241151 in words is "twenty trillion, four hundred thirty-five billion, two hundred two million, two hundred forty-one thousand, one hundred fifty-one".