20703692353 has 8 divisors (see below), whose sum is σ = 21059115840. Its totient is φ = 20351218800.

The previous prime is 20703692341. The next prime is 20703692357. The reversal of 20703692353 is 35329630702.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20703692353 - 2²⁵ = 20670137921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20703692357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723325 + ... + 751402.

It is an arithmetic number, because the mean of its divisors is an integer number (2632389480).

Almost surely, 2^20703692353 is an apocalyptic number.

It is an amenable number.

20703692353 is a deficient number, since it is larger than the sum of its proper divisors (355423487).

20703692353 is a wasteful number, since it uses less digits than its factorization.

20703692353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474967.

The product of its (nonzero) digits is 204120, while the sum is 40.

The spelling of 20703692353 in words is "twenty billion, seven hundred three million, six hundred ninety-two thousand, three hundred fifty-three".