1005020022452 has 12 divisors (see below), whose sum is σ = 1758839903940. Its totient is φ = 502494335616.

The previous prime is 1005020022439. The next prime is 1005020022493. The reversal of 1005020022452 is 2542200205001.

It can be written as a sum of positive squares in 2 ways, for example, as 243931283236 + 761088739216 = 493894^2 + 872404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3774053 + ... + 4031564.

It is an arithmetic number, because the mean of its divisors is an integer number (146569991995).

Almost surely, 2^{1005020022452} is an apocalyptic number.

It is an amenable number.

1005020022452 is a deficient number, since it is larger than the sum of its proper divisors (753819881488).

1005020022452 is a wasteful number, since it uses less digits than its factorization.

1005020022452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837810 (or 7837808 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 1005020022452 its reverse (2542200205001), we get a palindrome (3547220227453).

The spelling of 1005020022452 in words is "one trillion, five billion, twenty million, twenty-two thousand, four hundred fifty-two".