20353510342 has 16 divisors (see below), whose sum is σ = 33379938000. Its totient is φ = 9230986240.

The previous prime is 20353510339. The next prime is 20353510351. The reversal of 20353510342 is 24301535302.

It is a self number, because there is not a number n which added to its sum of digits gives 20353510342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020367 + ... + 1040122.

It is an arithmetic number, because the mean of its divisors is an integer number (2086246125).

Almost surely, 2^20353510342 is an apocalyptic number.

20353510342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20353510342 is a deficient number, since it is larger than the sum of its proper divisors (13026427658).

20353510342 is a wasteful number, since it uses less digits than its factorization.

20353510342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060951.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 20353510342 in words is "twenty billion, three hundred fifty-three million, five hundred ten thousand, three hundred forty-two".