20351852003 has 4 divisors (see below), whose sum is σ = 23259259440. Its totient is φ = 17444444568.

The previous prime is 20351851991. The next prime is 20351852011. The reversal of 20351852003 is 30025815302.

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 20351852003 - 2¹⁴ = 20351835619 is a prime.

It is a super-2 number, since 2×20351852003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20351852023) 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, 1453703708 + ... + 1453703721.

It is an arithmetic number, because the mean of its divisors is an integer number (5814814860).

Almost surely, 2^20351852003 is an apocalyptic number.

20351852003 is a deficient number, since it is larger than the sum of its proper divisors (2907407437).

20351852003 is an equidigital number, since it uses as much as digits as its factorization.

20351852003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907407436.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20351852003 in words is "twenty billion, three hundred fifty-one million, eight hundred fifty-two thousand, three".