20651025342 has 8 divisors (see below), whose sum is σ = 41302050696. Its totient is φ = 6883675112.

The previous prime is 20651025323. The next prime is 20651025347. The reversal of 20651025342 is 24352015602.

It is a sphenic number, since it is the product of 3 distinct primes.

20651025342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20651025347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720918773 + ... + 1720918784.

It is an arithmetic number, because the mean of its divisors is an integer number (5162756337).

Almost surely, 2^20651025342 is an apocalyptic number.

20651025342 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.

20651025342 is a wasteful number, since it uses less digits than its factorization.

20651025342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441837562.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20651025342 in words is "twenty billion, six hundred fifty-one million, twenty-five thousand, three hundred forty-two".