20202132212 has 12 divisors (see below), whose sum is σ = 36216017796. Its totient is φ = 9854698560.

The previous prime is 20202132103. The next prime is 20202132227. The reversal of 20202132212 is 21223120202.

It can be written as a sum of positive squares in 2 ways, for example, as 8391659236 + 11810472976 = 91606^2 + 108676^2 .

It is a super-2 number, since 2×20202132212² (a number of 21 digits) contains 22 as substring.

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, 61591703 + ... + 61592030.

It is an arithmetic number, because the mean of its divisors is an integer number (3018001483).

Almost surely, 2^20202132212 is an apocalyptic number.

It is an amenable number.

20202132212 is a deficient number, since it is larger than the sum of its proper divisors (16013885584).

20202132212 is a wasteful number, since it uses less digits than its factorization.

20202132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123183778 (or 123183776 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20202132212 its reverse (21223120202), we get a palindrome (41425252414).

The spelling of 20202132212 in words is "twenty billion, two hundred two million, one hundred thirty-two thousand, two hundred twelve".