10020220221002 has 4 divisors (see below), whose sum is σ = 15030330331506. Its totient is φ = 5010110110500.

The previous prime is 10020220220963. The next prime is 10020220221007. The reversal of 10020220221002 is 20012202202001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6195414705481 + 3824805515521 = 2489059^2 + 1955711^2 .

It is not an unprimeable number, because it can be changed into a prime (10020220221007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505055055249 + ... + 2505055055252.

Almost surely, 2^{10020220221002} is an apocalyptic number.

10020220221002 is a deficient number, since it is larger than the sum of its proper divisors (5010110110504).

10020220221002 is an equidigital number, since it uses as much as digits as its factorization.

10020220221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010110110503.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10020220221002 its reverse (20012202202001), we get a palindrome (30032422423003).

The spelling of 10020220221002 in words is "ten trillion, twenty billion, two hundred twenty million, two hundred twenty-one thousand, two".