10202021002 has 8 divisors (see below), whose sum is σ = 15364000512. Its totient is φ = 5080687500.

The previous prime is 10202020973. The next prime is 10202021023. The reversal of 10202021002 is 20012020201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10202021002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10160874 + ... + 10161877.

It is an arithmetic number, because the mean of its divisors is an integer number (1920500064).

Almost surely, 2^10202021002 is an apocalyptic number.

10202021002 is a deficient number, since it is larger than the sum of its proper divisors (5161979510).

10202021002 is a wasteful number, since it uses less digits than its factorization.

10202021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323004.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10202021002 its reverse (20012020201), we get a palindrome (30214041203).

The spelling of 10202021002 in words is "ten billion, two hundred two million, twenty-one thousand, two".