20185202988741 has 32 divisors (see below), whose sum is σ = 30983763126528. Its totient is φ = 11449896837120.

The previous prime is 20185202988737. The next prime is 20185202988761. The reversal of 20185202988741 is 14788920258102.

It is not a de Polignac number, because 20185202988741 - 2² = 20185202988737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20185202988721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142285941 + ... + 142427733.

It is an arithmetic number, because the mean of its divisors is an integer number (968242597704).

Almost surely, 2^{20185202988741} is an apocalyptic number.

20185202988741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20185202988741 is a deficient number, since it is larger than the sum of its proper divisors (10798560137787).

20185202988741 is a wasteful number, since it uses less digits than its factorization.

20185202988741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191421.

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 20185202988741 in words is "twenty trillion, one hundred eighty-five billion, two hundred two million, nine hundred eighty-eight thousand, seven hundred forty-one".