20125203311 has 8 divisors (see below), whose sum is σ = 20438376000. Its totient is φ = 19813491360.

The previous prime is 20125203253. The next prime is 20125203401. The reversal of 20125203311 is 11330252102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20125203311 - 2¹⁸ = 20124941167 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 (20125209311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337400 + ... + 392541.

It is an arithmetic number, because the mean of its divisors is an integer number (2554797000).

Almost surely, 2^20125203311 is an apocalyptic number.

20125203311 is a deficient number, since it is larger than the sum of its proper divisors (313172689).

20125203311 is an equidigital number, since it uses as much as digits as its factorization.

20125203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730369.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20125203311 its reverse (11330252102), we get a palindrome (31455455413).

The spelling of 20125203311 in words is "twenty billion, one hundred twenty-five million, two hundred three thousand, three hundred eleven".