20302121102002 has 8 divisors (see below), whose sum is σ = 30453268902300. Its totient is φ = 10151031467904.

The previous prime is 20302121101993. The next prime is 20302121102027. The reversal of 20302121102002 is 20020112120302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19948273389801 + 353847712201 = 4466349^2 + 594851^2 .

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

It is a super-2 number, since 2×20302121102002² (a number of 27 digits) contains 22 as substring.

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, 13658227 + ... + 15071542.

Almost surely, 2^{20302121102002} is an apocalyptic number.

20302121102002 is a deficient number, since it is larger than the sum of its proper divisors (10151147800298).

20302121102002 is a wasteful number, since it uses less digits than its factorization.

20302121102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29083100.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20302121102002 its reverse (20020112120302), we get a palindrome (40322233222304).

The spelling of 20302121102002 in words is "twenty trillion, three hundred two billion, one hundred twenty-one million, one hundred two thousand, two".