20302121103010 has 8 divisors (see below), whose sum is σ = 36543817985436. Its totient is φ = 8120848441200.

The previous prime is 20302121103001. The next prime is 20302121103037. The reversal of 20302121103010 is 1030112120302.

It can be written as a sum of positive squares in 2 ways, for example, as 16513893385441 + 3788227717569 = 4063729^2 + 1946337^2 .

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

It is a super-2 number, since 2×20302121103010² (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, 1015106055141 + ... + 1015106055160.

Almost surely, 2^{20302121103010} is an apocalyptic number.

20302121103010 is a deficient number, since it is larger than the sum of its proper divisors (16241696882426).

20302121103010 is a wasteful number, since it uses less digits than its factorization.

20302121103010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030212110308.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20302121103010 its reverse (1030112120302), we get a palindrome (21332233223312).

The spelling of 20302121103010 in words is "twenty trillion, three hundred two billion, one hundred twenty-one million, one hundred three thousand, ten".