20201035534 has 4 divisors (see below), whose sum is σ = 30301553304. Its totient is φ = 10100517766.

The previous prime is 20201035501. The next prime is 20201035559. The reversal of 20201035534 is 43553010202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20201035499 and 20201035508.

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, 5050258882 + ... + 5050258885.

It is an arithmetic number, because the mean of its divisors is an integer number (7575388326).

Almost surely, 2^20201035534 is an apocalyptic number.

20201035534 is a deficient number, since it is larger than the sum of its proper divisors (10100517770).

20201035534 is a wasteful number, since it uses less digits than its factorization.

20201035534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100517769.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20201035534 its reverse (43553010202), we get a palindrome (63754045736).

The spelling of 20201035534 in words is "twenty billion, two hundred one million, thirty-five thousand, five hundred thirty-four".