20034142211 has 4 divisors (see below), whose sum is σ = 20575605552. Its totient is φ = 19492678872.

The previous prime is 20034142153. The next prime is 20034142321. The reversal of 20034142211 is 11224143002.

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

It is a cyclic number.

It is not a de Polignac number, because 20034142211 - 2⁶ = 20034142147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034142511) 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, 270731615 + ... + 270731688.

It is an arithmetic number, because the mean of its divisors is an integer number (5143901388).

Almost surely, 2^20034142211 is an apocalyptic number.

20034142211 is a deficient number, since it is larger than the sum of its proper divisors (541463341).

20034142211 is an equidigital number, since it uses as much as digits as its factorization.

20034142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541463340.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20034142211 its reverse (11224143002), we get a palindrome (31258285213).

The spelling of 20034142211 in words is "twenty billion, thirty-four million, one hundred forty-two thousand, two hundred eleven".