20003565121070 has 16 divisors (see below), whose sum is σ = 36149869083888. Its totient is φ = 7969547856000.

The previous prime is 20003565121039. The next prime is 20003565121091. The reversal of 20003565121070 is 7012156530002.

It is a congruent number.

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, 3984771419 + ... + 3984776438.

It is an arithmetic number, because the mean of its divisors is an integer number (2259366817743).

Almost surely, 2^{20003565121070} is an apocalyptic number.

20003565121070 is a deficient number, since it is larger than the sum of its proper divisors (16146303962818).

20003565121070 is a wasteful number, since it uses less digits than its factorization.

20003565121070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969548115.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 20003565121070 in words is "twenty trillion, three billion, five hundred sixty-five million, one hundred twenty-one thousand, seventy".