20201102133331 has 16 divisors (see below), whose sum is σ = 23120141174784. Its totient is φ = 17290366066944.

The previous prime is 20201102133293. The next prime is 20201102133451. The reversal of 20201102133331 is 13333120110202.

It is a cyclic number.

It is not a de Polignac number, because 20201102133331 - 2²⁹ = 20200565262419 is a prime.

It is a super-2 number, since 2×20201102133331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201102133031) 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, 21388036 + ... + 22312558.

It is an arithmetic number, because the mean of its divisors is an integer number (1445008823424).

Almost surely, 2^{20201102133331} is an apocalyptic number.

20201102133331 is a deficient number, since it is larger than the sum of its proper divisors (2919039041453).

20201102133331 is an equidigital number, since it uses as much as digits as its factorization.

20201102133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929010.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20201102133331 its reverse (13333120110202), we get a palindrome (33534222243533).

The spelling of 20201102133331 in words is "twenty trillion, two hundred one billion, one hundred two million, one hundred thirty-three thousand, three hundred thirty-one".