20605052260000 has 120 divisors (see below), whose sum is σ = 54590867646084. Its totient is φ = 7608019200000.

The previous prime is 20605052259949. The next prime is 20605052260007. The reversal of 20605052260000 is 6225050602.

It can be written as a sum of positive squares in 10 ways, for example, as 851685345424 + 19753366914576 = 922868^2 + 4444476^2 .

It is a super-2 number, since 2×20605052260000² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20605052260007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39365101 + ... + 39885100.

Almost surely, 2^{20605052260000} is an apocalyptic number.

20605052260000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20605052260000 is an abundant number, since it is smaller than the sum of its proper divisors (33985815386084).

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

20605052260000 is an equidigital number, since it uses as much as digits as its factorization.

20605052260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79250244 (or 79250221 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 20605052260000 in words is "twenty trillion, six hundred five billion, fifty-two million, two hundred sixty thousand".