10200002421 has 32 divisors (see below), whose sum is σ = 15625958400. Its totient is φ = 5797491840.

The previous prime is 10200002413. The next prime is 10200002429. The reversal of 10200002421 is 12420000201.

It is an interprime number because it is at equal distance from previous prime (10200002413) and next prime (10200002429).

It is not a de Polignac number, because 10200002421 - 2³ = 10200002413 is a prime.

It is a super-2 number, since 2×10200002421² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10200002397 and 10200002406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200002429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4359670 + ... + 4362008.

It is an arithmetic number, because the mean of its divisors is an integer number (488311200).

Almost surely, 2^10200002421 is an apocalyptic number.

It is an amenable number.

10200002421 is a deficient number, since it is larger than the sum of its proper divisors (5425955979).

10200002421 is a wasteful number, since it uses less digits than its factorization.

10200002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10200002421 its reverse (12420000201), we get a palindrome (22620002622).

The spelling of 10200002421 in words is "ten billion, two hundred million, two thousand, four hundred twenty-one".