20153958486 has 8 divisors (see below), whose sum is σ = 40307916984. Its totient is φ = 6717986160.

The previous prime is 20153958467. The next prime is 20153958493. The reversal of 20153958486 is 68485935102.

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

20153958486 is an admirable number.

It is a super-2 number, since 2×20153958486² (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, 1679496535 + ... + 1679496546.

It is an arithmetic number, because the mean of its divisors is an integer number (5038489623).

Almost surely, 2^20153958486 is an apocalyptic number.

20153958486 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.

20153958486 is a wasteful number, since it uses less digits than its factorization.

20153958486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358993086.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 20153958486 in words is "twenty billion, one hundred fifty-three million, nine hundred fifty-eight thousand, four hundred eighty-six".