20011211030 has 32 divisors (see below), whose sum is σ = 36189054720. Its totient is φ = 7967034720.

The previous prime is 20011211023. The next prime is 20011211039. The reversal of 20011211030 is 3011211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011211039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293937 + ... + 2302643.

It is an arithmetic number, because the mean of its divisors is an integer number (1130907960).

Almost surely, 2^20011211030 is an apocalyptic number.

20011211030 is a deficient number, since it is larger than the sum of its proper divisors (16177843690).

20011211030 is a wasteful number, since it uses less digits than its factorization.

20011211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9764.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20011211030 its reverse (3011211002), we get a palindrome (23022422032).

The spelling of 20011211030 in words is "twenty billion, eleven million, two hundred eleven thousand, thirty".