20003555741357 has 4 divisors (see below), whose sum is σ = 20244562437120. Its totient is φ = 19762549045596.

The previous prime is 20003555741353. The next prime is 20003555741437. The reversal of 20003555741357 is 75314755530002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20003555741357 - 2² = 20003555741353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003555741353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120503347757 + ... + 120503347922.

It is an arithmetic number, because the mean of its divisors is an integer number (5061140609280).

Almost surely, 2^{20003555741357} is an apocalyptic number.

It is an amenable number.

20003555741357 is a deficient number, since it is larger than the sum of its proper divisors (241006695763).

20003555741357 is an equidigital number, since it uses as much as digits as its factorization.

20003555741357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241006695762.

The product of its (nonzero) digits is 2205000, while the sum is 47.

The spelling of 20003555741357 in words is "twenty trillion, three billion, five hundred fifty-five million, seven hundred forty-one thousand, three hundred fifty-seven".