38820570850821 has 16 divisors (see below), whose sum is σ = 51785941766400. Its totient is φ = 25867791069120.

The previous prime is 38820570850801. The next prime is 38820570850849. The reversal of 38820570850821 is 12805807502883.

38820570850821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38820570850821 - 2¹⁹ = 38820570326533 is a prime.

It is a super-2 number, since 2×38820570850821² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38820570850801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231942756 + ... + 232110066.

It is an arithmetic number, because the mean of its divisors is an integer number (3236621360400).

Almost surely, 2^{38820570850821} is an apocalyptic number.

It is an amenable number.

38820570850821 is a deficient number, since it is larger than the sum of its proper divisors (12965370915579).

38820570850821 is a wasteful number, since it uses less digits than its factorization.

38820570850821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204476.

The product of its (nonzero) digits is 8601600, while the sum is 57.

The spelling of 38820570850821 in words is "thirty-eight trillion, eight hundred twenty billion, five hundred seventy million, eight hundred fifty thousand, eight hundred twenty-one".