20005065036740 has 48 divisors (see below), whose sum is σ = 50099641143552. Its totient is φ = 6560667290496.

The previous prime is 20005065036739. The next prime is 20005065036757. The reversal of 20005065036740 is 4763056050002.

It is a junction number, because it is equal to n+sod(n) for n = 20005065036694 and 20005065036703.

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, 3106373339 + ... + 3106379778.

It is an arithmetic number, because the mean of its divisors is an integer number (1043742523824).

Almost surely, 2^{20005065036740} is an apocalyptic number.

20005065036740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20005065036740 is an abundant number, since it is smaller than the sum of its proper divisors (30094576106812).

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

20005065036740 is a wasteful number, since it uses less digits than its factorization.

20005065036740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212753156 (or 6212753154 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 20005065036740 in words is "twenty trillion, five billion, sixty-five million, thirty-six thousand, seven hundred forty".