10020505621050 has 72 divisors (see below), whose sum is σ = 26922271746396. Its totient is φ = 2672083883520.

The previous prime is 10020505621031. The next prime is 10020505621109. The reversal of 10020505621050 is 5012650502001.

10020505621050 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 0 + 50 + 562 + 1 + 0 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3982934241441 + 6037571379609 = 1995729^2 + 2457147^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27402012 + ... + 27765288.

Almost surely, 2^{10020505621050} is an apocalyptic number.

10020505621050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020505621050 is an abundant number, since it is smaller than the sum of its proper divisors (16901766125346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020505621050 is a wasteful number, since it uses less digits than its factorization.

10020505621050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424592 (or 424584 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 10020505621050 in words is "ten trillion, twenty billion, five hundred five million, six hundred twenty-one thousand, fifty".