20003555414753 has 2 divisors, whose sum is σ = 20003555414754. Its totient is φ = 20003555414752.

The previous prime is 20003555414693. The next prime is 20003555414797. The reversal of 20003555414753 is 35741455530002.

It is an a-pointer prime, because the next prime (20003555414797) can be obtained adding 20003555414753 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12942668198464 + 7060887216289 = 3597592^2 + 2657233^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003555414753 - 2⁸ = 20003555414497 is a prime.

It is not a weakly prime, because it can be changed into another prime (20003555414153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001777707376 + 10001777707377.

It is an arithmetic number, because the mean of its divisors is an integer number (10001777707377).

Almost surely, 2^{20003555414753} is an apocalyptic number.

It is an amenable number.

20003555414753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003555414753 is an equidigital number, since it uses as much as digits as its factorization.

20003555414753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 20003555414753 in words is "twenty trillion, three billion, five hundred fifty-five million, four hundred fourteen thousand, seven hundred fifty-three".