1020154235448 has 48 divisors (see below), whose sum is σ = 2666093096520. Its totient is φ = 325266563776.

The previous prime is 1020154235447. The next prime is 1020154235449. The reversal of 1020154235448 is 8445324510201.

It is an interprime number because it is at equal distance from previous prime (1020154235447) and next prime (1020154235449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020154235447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40163511 + ... + 40188902.

Almost surely, 2^{1020154235448} is an apocalyptic number.

It is an amenable number.

1020154235448 is an abundant number, since it is smaller than the sum of its proper divisors (1645938861072).

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

1020154235448 is a wasteful number, since it uses less digits than its factorization.

1020154235448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80352468 (or 80352441 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 1020154235448 its reverse (8445324510201), we get a palindrome (9465478745649).

The spelling of 1020154235448 in words is "one trillion, twenty billion, one hundred fifty-four million, two hundred thirty-five thousand, four hundred forty-eight".