20212262015 has 32 divisors (see below), whose sum is σ = 27328409856. Its totient is φ = 14223605760.

The previous prime is 20212262011. The next prime is 20212262029. The reversal of 20212262015 is 51026221202.

It is not a de Polignac number, because 20212262015 - 2² = 20212262011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212262011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213119 + ... + 292991.

It is an arithmetic number, because the mean of its divisors is an integer number (854012808).

Almost surely, 2^20212262015 is an apocalyptic number.

20212262015 is a deficient number, since it is larger than the sum of its proper divisors (7116147841).

20212262015 is a wasteful number, since it uses less digits than its factorization.

20212262015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80039.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20212262015 its reverse (51026221202), we get a palindrome (71238483217).

The spelling of 20212262015 in words is "twenty billion, two hundred twelve million, two hundred sixty-two thousand, fifteen".