20022430502212 has 12 divisors (see below), whose sum is σ = 35043637177276. Its totient is φ = 10009962737280.

The previous prime is 20022430502119. The next prime is 20022430502267. The reversal of 20022430502212 is 21220503422002.

It can be written as a sum of positive squares in 2 ways, for example, as 10737575526976 + 9284854975236 = 3276824^2 + 3047106^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313092489 + ... + 313156432.

Almost surely, 2^{20022430502212} is an apocalyptic number.

It is an amenable number.

20022430502212 is a deficient number, since it is larger than the sum of its proper divisors (15021206675064).

20022430502212 is a wasteful number, since it uses less digits than its factorization.

20022430502212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626256918 (or 626256916 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20022430502212 its reverse (21220503422002), we get a palindrome (41242933924214).

The spelling of 20022430502212 in words is "twenty trillion, twenty-two billion, four hundred thirty million, five hundred two thousand, two hundred twelve".