20435070108 has 12 divisors (see below), whose sum is σ = 47681830280. Its totient is φ = 6811690032.

The previous prime is 20435070059. The next prime is 20435070113. The reversal of 20435070108 is 80107053402.

It is a tau number, because it is divible by the number of its divisors (12).

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, 851461243 + ... + 851461266.

Almost surely, 2^20435070108 is an apocalyptic number.

It is an amenable number.

20435070108 is an abundant number, since it is smaller than the sum of its proper divisors (27246760172).

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

20435070108 is a wasteful number, since it uses less digits than its factorization.

20435070108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702922516 (or 1702922514 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 20435070108 in words is "twenty billion, four hundred thirty-five million, seventy thousand, one hundred eight".