20434343002311 has 32 divisors (see below), whose sum is σ = 32042444244480. Its totient is φ = 11338858313856.

The previous prime is 20434343002301. The next prime is 20434343002331. The reversal of 20434343002311 is 11320034343402.

It is a happy number.

It is not a de Polignac number, because 20434343002311 - 2³⁵ = 20399983263943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434343002301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25438521 + ... + 26229506.

It is an arithmetic number, because the mean of its divisors is an integer number (1001326382640).

Almost surely, 2^{20434343002311} is an apocalyptic number.

20434343002311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20434343002311 is a deficient number, since it is larger than the sum of its proper divisors (11608101242169).

20434343002311 is a wasteful number, since it uses less digits than its factorization.

20434343002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51668583.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20434343002311 its reverse (11320034343402), we get a palindrome (31754377345713).

The spelling of 20434343002311 in words is "twenty trillion, four hundred thirty-four billion, three hundred forty-three million, two thousand, three hundred eleven".