36673521640020 has 144 divisors (see below), whose sum is σ = 116193080028480. Its totient is φ = 9709248715776.

The previous prime is 36673521639967. The next prime is 36673521640039. The reversal of 36673521640020 is 2004612537663.

36673521640020 is a `hidden beast` number, since 3 + 6 + 6 + 7 + 3 + 5 + 216 + 400 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26468317 + ... + 27819396.

Almost surely, 2^{36673521640020} is an apocalyptic number.

36673521640020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36673521640020 is an abundant number, since it is smaller than the sum of its proper divisors (79519558388460).

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

36673521640020 is a wasteful number, since it uses less digits than its factorization.

36673521640020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54287876 (or 54287862 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 36673521640020 in words is "thirty-six trillion, six hundred seventy-three billion, five hundred twenty-one million, six hundred forty thousand, twenty".