20210222010002 has 4 divisors (see below), whose sum is σ = 30315333015006. Its totient is φ = 10105111005000.

The previous prime is 20210222009969. The next prime is 20210222010007. The reversal of 20210222010002 is 20001022201202.

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., 11725357941361 + 8484864068641 = 3424231^2 + 2912879^2 .

It is not an unprimeable number, because it can be changed into a prime (20210222010007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052555502499 + ... + 5052555502502.

Almost surely, 2^{20210222010002} is an apocalyptic number.

20210222010002 is a deficient number, since it is larger than the sum of its proper divisors (10105111005004).

20210222010002 is a wasteful number, since it uses less digits than its factorization.

20210222010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105111005003.

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

Adding to 20210222010002 its reverse (20001022201202), we get a palindrome (40211244211204).

The spelling of 20210222010002 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, ten thousand, two".