20035353703506 has 16 divisors (see below), whose sum is σ = 40070774368800. Its totient is φ = 6678440074208.

The previous prime is 20035353703481. The next prime is 20035353703513. The reversal of 20035353703506 is 60530735353002.

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, 1640905 + ... + 6539363.

It is an arithmetic number, because the mean of its divisors is an integer number (2504423398050).

Almost surely, 2^{20035353703506} is an apocalyptic number.

20035353703506 is an abundant number, since it is smaller than the sum of its proper divisors (20035420665294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20035353703506 is a wasteful number, since it uses less digits than its factorization.

20035353703506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580153.

The product of its (nonzero) digits is 850500, while the sum is 42.

The spelling of 20035353703506 in words is "twenty trillion, thirty-five billion, three hundred fifty-three million, seven hundred three thousand, five hundred six".