20345735350 has 24 divisors (see below), whose sum is σ = 37900554120. Its totient is φ = 8125931520.

The previous prime is 20345735279. The next prime is 20345735351. The reversal of 20345735350 is 5353754302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345735351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275787 + ... + 341686.

It is an arithmetic number, because the mean of its divisors is an integer number (1579189755).

Almost surely, 2^20345735350 is an apocalyptic number.

20345735350 is a deficient number, since it is larger than the sum of its proper divisors (17554818770).

20345735350 is a wasteful number, since it uses less digits than its factorization.

20345735350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618144 (or 618139 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 37.

The spelling of 20345735350 in words is "twenty billion, three hundred forty-five million, seven hundred thirty-five thousand, three hundred fifty".