20435674600 has 96 divisors (see below), whose sum is σ = 51867707040. Its totient is φ = 7426080000.

The previous prime is 20435674583. The next prime is 20435674627. The reversal of 20435674600 is 647653402.

It is a self number, because there is not a number n which added to its sum of digits gives 20435674600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5042575 + ... + 5046625.

It is an arithmetic number, because the mean of its divisors is an integer number (540288615).

Almost surely, 2^20435674600 is an apocalyptic number.

20435674600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20435674600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25933853520).

20435674600 is an abundant number, since it is smaller than the sum of its proper divisors (31432032440).

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

20435674600 is a wasteful number, since it uses less digits than its factorization.

20435674600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371 (or 6362 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 20435674600 in words is "twenty billion, four hundred thirty-five million, six hundred seventy-four thousand, six hundred".