20573243106 has 32 divisors (see below), whose sum is σ = 44357398848. Its totient is φ = 6323686080.

The previous prime is 20573243099. The next prime is 20573243123. The reversal of 20573243106 is 60134237502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60081 + ... + 211556.

It is an arithmetic number, because the mean of its divisors is an integer number (1386168714).

Almost surely, 2^20573243106 is an apocalyptic number.

20573243106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20573243106 is an abundant number, since it is smaller than the sum of its proper divisors (23784155742).

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

20573243106 is a wasteful number, since it uses less digits than its factorization.

20573243106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272626.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20573243106 in words is "twenty billion, five hundred seventy-three million, two hundred forty-three thousand, one hundred six".