10001023002 has 12 divisors (see below), whose sum is σ = 21668883210. Its totient is φ = 3333674328.

The previous prime is 10001022971. The next prime is 10001023013. The reversal of 10001023002 is 20032010001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9886126041 + 114896961 = 99429^2 + 10719^2 .

It is a super-2 number, since 2×10001023002² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277806177 + ... + 277806212.

Almost surely, 2^10001023002 is an apocalyptic number.

10001023002 is an abundant number, since it is smaller than the sum of its proper divisors (11667860208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001023002 is a wasteful number, since it uses less digits than its factorization.

10001023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555612397 (or 555612394 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10001023002 its reverse (20032010001), we get a palindrome (30033033003).

The spelling of 10001023002 in words is "ten billion, one million, twenty-three thousand, two".