20350020037 has 16 divisors (see below), whose sum is σ = 20676726000. Its totient is φ = 20026091520.

The previous prime is 20350020007. The next prime is 20350020059. The reversal of 20350020037 is 73002005302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4886848836 + 15463171201 = 69906^2 + 124351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20350020037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350020007) 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 15 ways as a sum of consecutive naturals, for example, 17230587 + ... + 17231767.

It is an arithmetic number, because the mean of its divisors is an integer number (1292295375).

Almost surely, 2^20350020037 is an apocalyptic number.

It is an amenable number.

20350020037 is a deficient number, since it is larger than the sum of its proper divisors (326705963).

20350020037 is a wasteful number, since it uses less digits than its factorization.

20350020037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 1260, while the sum is 22.

Adding to 20350020037 its reverse (73002005302), we get a palindrome (93352025339).

The spelling of 20350020037 in words is "twenty billion, three hundred fifty million, twenty thousand, thirty-seven".