1672555520020 has 192 divisors, whose sum is σ = 4474583285760. Its totient is φ = 509955264000.

The previous prime is 1672555520017. The next prime is 1672555520023. The reversal of 1672555520020 is 200255552761.

It is an interprime number because it is at equal distance from previous prime (1672555520017) and next prime (1672555520023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672555520023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170160466 + ... + 170170294.

It is an arithmetic number, because the mean of its divisors is an integer number (23305121280).

Almost surely, 2^{1672555520020} is an apocalyptic number.

1672555520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672555520020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237291642880).

1672555520020 is an abundant number, since it is smaller than the sum of its proper divisors (2802027765740).

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

1672555520020 is a wasteful number, since it uses less digits than its factorization.

1672555520020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12254 (or 12252 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 1672555520020 in words is "one trillion, six hundred seventy-two billion, five hundred fifty-five million, five hundred twenty thousand, twenty".