20537206076 has 12 divisors (see below), whose sum is σ = 36198673560. Its totient is φ = 10194727920.

The previous prime is 20537206003. The next prime is 20537206091. The reversal of 20537206076 is 67060273502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18468155 + ... + 18469266.

It is an arithmetic number, because the mean of its divisors is an integer number (3016556130).

Almost surely, 2^20537206076 is an apocalyptic number.

It is an amenable number.

20537206076 is a deficient number, since it is larger than the sum of its proper divisors (15661467484).

20537206076 is a wasteful number, since it uses less digits than its factorization.

20537206076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36937564 (or 36937562 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

Adding to 20537206076 its reverse (67060273502), we get a palindrome (87597479578).

The spelling of 20537206076 in words is "twenty billion, five hundred thirty-seven million, two hundred six thousand, seventy-six".