20243032311 has 8 divisors (see below), whose sum is σ = 27106550640. Its totient is φ = 13437434432.

The previous prime is 20243032283. The next prime is 20243032339. The reversal of 20243032311 is 11323034202.

It is an interprime number because it is at equal distance from previous prime (20243032283) and next prime (20243032339).

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 20243032311 - 2⁵ = 20243032279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243032351) 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, 14479296 + ... + 14480693.

It is an arithmetic number, because the mean of its divisors is an integer number (3388318830).

Almost surely, 2^20243032311 is an apocalyptic number.

20243032311 is a deficient number, since it is larger than the sum of its proper divisors (6863518329).

20243032311 is a wasteful number, since it uses less digits than its factorization.

20243032311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28960225.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20243032311 its reverse (11323034202), we get a palindrome (31566066513).

The spelling of 20243032311 in words is "twenty billion, two hundred forty-three million, thirty-two thousand, three hundred eleven".