10020004451 has 2 divisors, whose sum is σ = 10020004452. Its totient is φ = 10020004450.

The previous prime is 10020004409. The next prime is 10020004469. The reversal of 10020004451 is 15440002001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020004451 is a prime.

It is a super-2 number, since 2×10020004451² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10020009451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010002225 + 5010002226.

It is an arithmetic number, because the mean of its divisors is an integer number (5010002226).

Almost surely, 2^10020004451 is an apocalyptic number.

10020004451 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020004451 is an equidigital number, since it uses as much as digits as its factorization.

10020004451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 10020004451 its reverse (15440002001), we get a palindrome (25460006452).

The spelling of 10020004451 in words is "ten billion, twenty million, four thousand, four hundred fifty-one".