1550670561020 has 72 divisors (see below), whose sum is σ = 3868663934016. Its totient is φ = 520346580096.

The previous prime is 1550670561019. The next prime is 1550670561043. The reversal of 1550670561020 is 201650760551.

It is a congruent number.

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, 16787099 + ... + 16879218.

It is an arithmetic number, because the mean of its divisors is an integer number (53731443528).

Almost surely, 2^{1550670561020} is an apocalyptic number.

1550670561020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550670561020 is an abundant number, since it is smaller than the sum of its proper divisors (2317993372996).

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

1550670561020 is a wasteful number, since it uses less digits than its factorization.

1550670561020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666387 (or 33666378 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 1550670561020 in words is "one trillion, five hundred fifty billion, six hundred seventy million, five hundred sixty-one thousand, twenty".