20144450415270 has 32 divisors (see below), whose sum is σ = 48525082053120. Its totient is φ = 5352031104480.

The previous prime is 20144450415241. The next prime is 20144450415337. The reversal of 20144450415270 is 7251405444102.

It is a congruent number.

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, 1238887960 + ... + 1238904219.

It is an arithmetic number, because the mean of its divisors is an integer number (1516408814160).

Almost surely, 2^{20144450415270} is an apocalyptic number.

20144450415270 is an abundant number, since it is smaller than the sum of its proper divisors (28380631637850).

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

20144450415270 is a wasteful number, since it uses less digits than its factorization.

20144450415270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477792460.

The product of its (nonzero) digits is 179200, while the sum is 39.

Adding to 20144450415270 its reverse (7251405444102), we get a palindrome (27395855859372).

The spelling of 20144450415270 in words is "twenty trillion, one hundred forty-four billion, four hundred fifty million, four hundred fifteen thousand, two hundred seventy".