20292813212 has 24 divisors (see below), whose sum is σ = 40979667456. Its totient is φ = 8612482608.

The previous prime is 20292813169. The next prime is 20292813259. The reversal of 20292813212 is 21231829202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515288 + ... + 3521055.

It is an arithmetic number, because the mean of its divisors is an integer number (1707486144).

Almost surely, 2^20292813212 is an apocalyptic number.

It is an amenable number.

20292813212 is an abundant number, since it is smaller than the sum of its proper divisors (20686854244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20292813212 is a wasteful number, since it uses less digits than its factorization.

20292813212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036457 (or 7036455 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 20292813212 in words is "twenty billion, two hundred ninety-two million, eight hundred thirteen thousand, two hundred twelve".