20211434302 has 4 divisors (see below), whose sum is σ = 30317151456. Its totient is φ = 10105717150.

The previous prime is 20211434293. The next prime is 20211434381. The reversal of 20211434302 is 20343411202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052858574 + ... + 5052858577.

It is an arithmetic number, because the mean of its divisors is an integer number (7579287864).

Almost surely, 2^20211434302 is an apocalyptic number.

20211434302 is a deficient number, since it is larger than the sum of its proper divisors (10105717154).

20211434302 is a wasteful number, since it uses less digits than its factorization.

20211434302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105717153.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20211434302 its reverse (20343411202), we get a palindrome (40554845504).

The spelling of 20211434302 in words is "twenty billion, two hundred eleven million, four hundred thirty-four thousand, three hundred two".