20202101331229 has 4 divisors (see below), whose sum is σ = 21390460233084. Its totient is φ = 19013742429376.

The previous prime is 20202101331227. The next prime is 20202101331241. The reversal of 20202101331229 is 92213310120202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14410868707225 + 5791232624004 = 3796165^2 + 2406498^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202101331229 - 2¹ = 20202101331227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202101331197 and 20202101331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202101331227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594179450902 + ... + 594179450935.

It is an arithmetic number, because the mean of its divisors is an integer number (5347615058271).

Almost surely, 2^{20202101331229} is an apocalyptic number.

It is an amenable number.

20202101331229 is a deficient number, since it is larger than the sum of its proper divisors (1188358901855).

20202101331229 is a wasteful number, since it uses less digits than its factorization.

20202101331229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188358901854.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 20202101331229 in words is "twenty trillion, two hundred two billion, one hundred one million, three hundred thirty-one thousand, two hundred twenty-nine".