200020012109970 has 256 divisors, whose sum is σ = 536724222547968. Its totient is φ = 47393263779840.

The previous prime is 200020012109969. The next prime is 200020012110047. The reversal of 200020012109970 is 79901210020002.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 472134040 + ... + 472557500.

It is an arithmetic number, because the mean of its divisors is an integer number (2096578994328).

Almost surely, 2^{200020012109970} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200020012109970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268362111273984).

200020012109970 is an abundant number, since it is smaller than the sum of its proper divisors (336704210437998).

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

200020012109970 is a wasteful number, since it uses less digits than its factorization.

200020012109970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423957.

The product of its (nonzero) digits is 4536, while the sum is 33.

Adding to 200020012109970 its reverse (79901210020002), we get a palindrome (279921222129972).

The spelling of 200020012109970 in words is "two hundred trillion, twenty billion, twelve million, one hundred nine thousand, nine hundred seventy".