20012032311 has 8 divisors (see below), whose sum is σ = 26769625344. Its totient is φ = 13297897080.

The previous prime is 20012032297. The next prime is 20012032319. The reversal of 20012032311 is 11323021002.

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

It is not a de Polignac number, because 20012032311 - 2⁵ = 20012032279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012032319) 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, 10863375 + ... + 10865216.

It is an arithmetic number, because the mean of its divisors is an integer number (3346203168).

Almost surely, 2^20012032311 is an apocalyptic number.

20012032311 is a deficient number, since it is larger than the sum of its proper divisors (6757593033).

20012032311 is a wasteful number, since it uses less digits than its factorization.

20012032311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21728901.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20012032311 its reverse (11323021002), we get a palindrome (31335053313).

The spelling of 20012032311 in words is "twenty billion, twelve million, thirty-two thousand, three hundred eleven".