20003502001 has 8 divisors (see below), whose sum is σ = 22897380224. Its totient is φ = 17118682560.

The previous prime is 20003501981. The next prime is 20003502023. The reversal of 20003502001 is 10020530002.

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

It is not a de Polignac number, because 20003502001 - 2³¹ = 17856018353 is a prime.

It is a super-2 number, since 2×20003502001² (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 (20003502041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259960 + ... + 2268793.

It is an arithmetic number, because the mean of its divisors is an integer number (2862172528).

Almost surely, 2^20003502001 is an apocalyptic number.

It is an amenable number.

20003502001 is a deficient number, since it is larger than the sum of its proper divisors (2893878223).

20003502001 is an equidigital number, since it uses as much as digits as its factorization.

20003502001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529391.

The product of its (nonzero) digits is 60, while the sum is 13.

The spelling of 20003502001 in words is "twenty billion, three million, five hundred two thousand, one".