20536314212 has 24 divisors (see below), whose sum is σ = 36135838200. Its totient is φ = 10211890176.

The previous prime is 20536314187. The next prime is 20536314223. The reversal of 20536314212 is 21241363502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1851064576 + 18685249636 = 43024^2 + 136694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838898 + ... + 863030.

It is an arithmetic number, because the mean of its divisors is an integer number (1505659925).

Almost surely, 2^20536314212 is an apocalyptic number.

It is an amenable number.

20536314212 is a deficient number, since it is larger than the sum of its proper divisors (15599523988).

20536314212 is a wasteful number, since it uses less digits than its factorization.

20536314212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25295 (or 25293 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20536314212 its reverse (21241363502), we get a palindrome (41777677714).

The spelling of 20536314212 in words is "twenty billion, five hundred thirty-six million, three hundred fourteen thousand, two hundred twelve".