1363252666020 has 72 divisors (see below), whose sum is σ = 4440308693184. Its totient is φ = 311600608704.

The previous prime is 1363252665991. The next prime is 1363252666033. The reversal of 1363252666020 is 206662523631.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231842752 + ... + 231848631.

It is an arithmetic number, because the mean of its divisors is an integer number (61670954072).

Almost surely, 2^{1363252666020} is an apocalyptic number.

1363252666020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363252666020 is an abundant number, since it is smaller than the sum of its proper divisors (3077056027164).

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

1363252666020 is a wasteful number, since it uses less digits than its factorization.

1363252666020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463691409 (or 463691400 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 1363252666020 in words is "one trillion, three hundred sixty-three billion, two hundred fifty-two million, six hundred sixty-six thousand, twenty".