20135750605456 has 40 divisors (see below), whose sum is σ = 42186791658240. Its totient is φ = 9274037819904.

The previous prime is 20135750605447. The next prime is 20135750605463. The reversal of 20135750605456 is 65450605753102.

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, 787524396 + ... + 787549963.

It is an arithmetic number, because the mean of its divisors is an integer number (1054669791456).

Almost surely, 2^{20135750605456} is an apocalyptic number.

It is an amenable number.

20135750605456 is an abundant number, since it is smaller than the sum of its proper divisors (22051041052784).

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

20135750605456 is a wasteful number, since it uses less digits than its factorization.

20135750605456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575074431 (or 1575074425 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 20135750605456 in words is "twenty trillion, one hundred thirty-five billion, seven hundred fifty million, six hundred five thousand, four hundred fifty-six".