20103100401 has 16 divisors (see below), whose sum is σ = 27425283264. Its totient is φ = 13094924544.

The previous prime is 20103100399. The next prime is 20103100439. The reversal of 20103100401 is 10400130102.

It is a happy number.

It is not a de Polignac number, because 20103100401 - 2¹ = 20103100399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103100471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405516 + ... + 452381.

It is an arithmetic number, because the mean of its divisors is an integer number (1714080204).

Almost surely, 2^20103100401 is an apocalyptic number.

It is an amenable number.

20103100401 is a deficient number, since it is larger than the sum of its proper divisors (7322182863).

20103100401 is a wasteful number, since it uses less digits than its factorization.

20103100401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858080.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20103100401 its reverse (10400130102), we get a palindrome (30503230503).

The spelling of 20103100401 in words is "twenty billion, one hundred three million, one hundred thousand, four hundred one".