20124000403 has 8 divisors (see below), whose sum is σ = 21741244448. Its totient is φ = 18516648384.

The previous prime is 20124000401. The next prime is 20124000409. The reversal of 20124000403 is 30400042102.

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

It is not a de Polignac number, because 20124000403 - 2¹ = 20124000401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20124000401) 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, 2468775 + ... + 2476912.

It is an arithmetic number, because the mean of its divisors is an integer number (2717655556).

Almost surely, 2^20124000403 is an apocalyptic number.

20124000403 is a deficient number, since it is larger than the sum of its proper divisors (1617244045).

20124000403 is a wasteful number, since it uses less digits than its factorization.

20124000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946013.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20124000403 its reverse (30400042102), we get a palindrome (50524042505).

The spelling of 20124000403 in words is "twenty billion, one hundred twenty-four million, four hundred three", and thus it is an aban number.