20021132310203 has 2 divisors, whose sum is σ = 20021132310204. Its totient is φ = 20021132310202.

The previous prime is 20021132310191. The next prime is 20021132310241. The reversal of 20021132310203 is 30201323112002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021132310203 - 2²² = 20021128115899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20021132310103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010566155101 + 10010566155102.

It is an arithmetic number, because the mean of its divisors is an integer number (10010566155102).

Almost surely, 2^{20021132310203} is an apocalyptic number.

20021132310203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021132310203 is an equidigital number, since it uses as much as digits as its factorization.

20021132310203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20021132310203 its reverse (30201323112002), we get a palindrome (50222455422205).

The spelling of 20021132310203 in words is "twenty trillion, twenty-one billion, one hundred thirty-two million, three hundred ten thousand, two hundred three".