1254053220420 has 192 divisors, whose sum is σ = 4714538766336. Its totient is φ = 240537669120.

The previous prime is 1254053220379. The next prime is 1254053220443. The reversal of 1254053220420 is 240223504521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10379944 + ... + 10500063.

It is an arithmetic number, because the mean of its divisors is an integer number (24554889408).

Almost surely, 2^{1254053220420} is an apocalyptic number.

1254053220420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254053220420 is an abundant number, since it is smaller than the sum of its proper divisors (3460485545916).

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

1254053220420 is a wasteful number, since it uses less digits than its factorization.

1254053220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880050 (or 20880048 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 1254053220420 its reverse (240223504521), we get a palindrome (1494276724941).

The spelling of 1254053220420 in words is "one trillion, two hundred fifty-four billion, fifty-three million, two hundred twenty thousand, four hundred twenty".