20202067534 has 16 divisors (see below), whose sum is σ = 33378883200. Its totient is φ = 9093603960.

The previous prime is 20202067511. The next prime is 20202067537. The reversal of 20202067534 is 43576020202.

It is a junction number, because it is equal to n+sod(n) for n = 20202067496 and 20202067505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202067537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455384 + ... + 4459915.

It is an arithmetic number, because the mean of its divisors is an integer number (2086180200).

Almost surely, 2^20202067534 is an apocalyptic number.

20202067534 is a deficient number, since it is larger than the sum of its proper divisors (13176815666).

20202067534 is a wasteful number, since it uses less digits than its factorization.

20202067534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915415.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 20202067534 its reverse (43576020202), we get a palindrome (63778087736).

The spelling of 20202067534 in words is "twenty billion, two hundred two million, sixty-seven thousand, five hundred thirty-four".