20674351292 has 12 divisors (see below), whose sum is σ = 41348702640. Its totient is φ = 8860436256.

The previous prime is 20674351273. The next prime is 20674351301. The reversal of 20674351292 is 29215347602.

20674351292 is an admirable number.

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, 369184817 + ... + 369184872.

It is an arithmetic number, because the mean of its divisors is an integer number (3445725220).

Almost surely, 2^20674351292 is an apocalyptic number.

It is an amenable number.

20674351292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20674351292 is a wasteful number, since it uses less digits than its factorization.

20674351292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738369700 (or 738369698 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 20674351292 its reverse (29215347602), we get a palindrome (49889698894).

The spelling of 20674351292 in words is "twenty billion, six hundred seventy-four million, three hundred fifty-one thousand, two hundred ninety-two".