20003623534245 has 32 divisors (see below), whose sum is σ = 34577902904832. Its totient is φ = 9816474650112.

The previous prime is 20003623534231. The next prime is 20003623534267. The reversal of 20003623534245 is 54243532630002.

It is not a de Polignac number, because 20003623534245 - 2³⁷ = 19866184580773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163809069 + ... + 163931138.

It is an arithmetic number, because the mean of its divisors is an integer number (1080559465776).

Almost surely, 2^{20003623534245} is an apocalyptic number.

It is an amenable number.

20003623534245 is a deficient number, since it is larger than the sum of its proper divisors (14574279370587).

20003623534245 is a wasteful number, since it uses less digits than its factorization.

20003623534245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327740541.

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 20003623534245 in words is "twenty trillion, three billion, six hundred twenty-three million, five hundred thirty-four thousand, two hundred forty-five".