1361205624020 has 48 divisors (see below), whose sum is σ = 3301833544128. Its totient is φ = 465867164160.

The previous prime is 1361205624013. The next prime is 1361205624029. The reversal of 1361205624020 is 204265021631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361205624029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181975622 + ... + 181983101.

It is an arithmetic number, because the mean of its divisors is an integer number (68788198836).

Almost surely, 2^{1361205624020} is an apocalyptic number.

1361205624020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361205624020 is an abundant number, since it is smaller than the sum of its proper divisors (1940627920108).

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

1361205624020 is a wasteful number, since it uses less digits than its factorization.

1361205624020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363958760 (or 363958758 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 1361205624020 in words is "one trillion, three hundred sixty-one billion, two hundred five million, six hundred twenty-four thousand, twenty".