20012473001 has 2 divisors, whose sum is σ = 20012473002. Its totient is φ = 20012473000.

The previous prime is 20012472971. The next prime is 20012473031. The reversal of 20012473001 is 10037421002.

It is a balanced prime because it is at equal distance from previous prime (20012472971) and next prime (20012473031).

It can be written as a sum of positive squares in only one way, i.e., 13572250000 + 6440223001 = 116500^2 + 80251^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012473001 - 2¹⁸ = 20012210857 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012473031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006236500 + 10006236501.

It is an arithmetic number, because the mean of its divisors is an integer number (10006236501).

Almost surely, 2^20012473001 is an apocalyptic number.

It is an amenable number.

20012473001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012473001 is an equidigital number, since it uses as much as digits as its factorization.

20012473001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 20012473001 its reverse (10037421002), we get a palindrome (30049894003).

The spelling of 20012473001 in words is "twenty billion, twelve million, four hundred seventy-three thousand, one".