20370638047093 has 4 divisors (see below), whose sum is σ = 21256317962208. Its totient is φ = 19484958131980.

The previous prime is 20370638047087. The next prime is 20370638047121. The reversal of 20370638047093 is 39074083607302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20370638047093 - 2³³ = 20362048112501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20370638047093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20370638047033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442839957523 + ... + 442839957568.

It is an arithmetic number, because the mean of its divisors is an integer number (5314079490552).

Almost surely, 2^{20370638047093} is an apocalyptic number.

20370638047093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20370638047093 is a deficient number, since it is larger than the sum of its proper divisors (885679915115).

20370638047093 is an equidigital number, since it uses as much as digits as its factorization.

20370638047093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885679915114.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 20370638047093 in words is "twenty trillion, three hundred seventy billion, six hundred thirty-eight million, forty-seven thousand, ninety-three".