20405053301152 has 48 divisors (see below), whose sum is σ = 43270038793800. Its totient is φ = 9416105644032.

The previous prime is 20405053301123. The next prime is 20405053301167. The reversal of 20405053301152 is 25110335050402.

It can be written as a sum of positive squares in 4 ways, for example, as 17022852767376 + 3382200533776 = 4125876^2 + 1839076^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759893 + ... + 6626260.

Almost surely, 2^{20405053301152} is an apocalyptic number.

It is an amenable number.

20405053301152 is an abundant number, since it is smaller than the sum of its proper divisors (22864985492648).

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

20405053301152 is a wasteful number, since it uses less digits than its factorization.

20405053301152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392025 (or 8392017 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 20405053301152 its reverse (25110335050402), we get a palindrome (45515388351554).

The spelling of 20405053301152 in words is "twenty trillion, four hundred five billion, fifty-three million, three hundred one thousand, one hundred fifty-two".