20873058237 has 32 divisors (see below), whose sum is σ = 32032978560. Its totient is φ = 13591697616.

The previous prime is 20873058197. The next prime is 20873058251. The reversal of 20873058237 is 73285037802.

20873058237 is a `hidden beast` number, since 2 + 0 + 8 + 7 + 30 + 582 + 37 = 666.

It is not a de Polignac number, because 20873058237 - 2⁷ = 20873058109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20873058192 and 20873058201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20873058287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16938 + ... + 205019.

It is an arithmetic number, because the mean of its divisors is an integer number (1001030580).

Almost surely, 2^20873058237 is an apocalyptic number.

20873058237 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20873058237 is a deficient number, since it is larger than the sum of its proper divisors (11159920323).

20873058237 is an frugal number, since it uses more digits than its factorization.

20873058237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222021 (or 222003 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 20873058237 in words is "twenty billion, eight hundred seventy-three million, fifty-eight thousand, two hundred thirty-seven".