20012333011 has 8 divisors (see below), whose sum is σ = 22047792048. Its totient is φ = 18012900000.

The previous prime is 20012332981. The next prime is 20012333039. The reversal of 20012333011 is 11033321002.

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 20012333011 - 2¹⁷ = 20012201939 is a prime.

It is a super-2 number, since 2×20012333011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012333111) 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, 9005340 + ... + 9007561.

It is an arithmetic number, because the mean of its divisors is an integer number (2755974006).

Almost surely, 2^20012333011 is an apocalyptic number.

20012333011 is a deficient number, since it is larger than the sum of its proper divisors (2035459037).

20012333011 is a wasteful number, since it uses less digits than its factorization.

20012333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013013.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20012333011 its reverse (11033321002), we get a palindrome (31045654013).

The spelling of 20012333011 in words is "twenty billion, twelve million, three hundred thirty-three thousand, eleven".