20135630535122 has 32 divisors (see below), whose sum is σ = 31479762579120. Its totient is φ = 9647867658240.

The previous prime is 20135630535113. The next prime is 20135630535161. The reversal of 20135630535122 is 22153503653102.

It can be written as a sum of positive squares in 8 ways, for example, as 10868422099441 + 9267208435681 = 3296729^2 + 3044209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690622 + ... + 6567302.

Almost surely, 2^{20135630535122} is an apocalyptic number.

20135630535122 is a deficient number, since it is larger than the sum of its proper divisors (11344132043998).

20135630535122 is a wasteful number, since it uses less digits than its factorization.

20135630535122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877246.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 20135630535122 in words is "twenty trillion, one hundred thirty-five billion, six hundred thirty million, five hundred thirty-five thousand, one hundred twenty-two".