20103203001 has 48 divisors (see below), whose sum is σ = 33637762944. Its totient is φ = 10607740416.

The previous prime is 20103202997. The next prime is 20103203033. The reversal of 20103203001 is 10030230102.

It is a happy number.

It is not a de Polignac number, because 20103203001 - 2² = 20103202997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103223001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56556 + ... + 208338.

It is an arithmetic number, because the mean of its divisors is an integer number (700786728).

Almost surely, 2^20103203001 is an apocalyptic number.

20103203001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20103203001 is a deficient number, since it is larger than the sum of its proper divisors (13534559943).

20103203001 is a wasteful number, since it uses less digits than its factorization.

20103203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151870 (or 151863 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20103203001 its reverse (10030230102), we get a palindrome (30133433103).

The spelling of 20103203001 in words is "twenty billion, one hundred three million, two hundred three thousand, one".