20512034003 has 8 divisors (see below), whose sum is σ = 21611319120. Its totient is φ = 19414719360.

The previous prime is 20512033981. The next prime is 20512034069. The reversal of 20512034003 is 30043021502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20512034003 - 2¹⁸ = 20511771859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20512039003) 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, 471218 + ... + 512903.

It is an arithmetic number, because the mean of its divisors is an integer number (2701414890).

Almost surely, 2^20512034003 is an apocalyptic number.

20512034003 is a deficient number, since it is larger than the sum of its proper divisors (1099285117).

20512034003 is a wasteful number, since it uses less digits than its factorization.

20512034003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985237.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20512034003 its reverse (30043021502), we get a palindrome (50555055505).

The spelling of 20512034003 in words is "twenty billion, five hundred twelve million, thirty-four thousand, three".