20003505014010 has 128 divisors (see below), whose sum is σ = 58133296373760. Its totient is φ = 4300379956224.

The previous prime is 20003505013979. The next prime is 20003505014041. The reversal of 20003505014010 is 1041050530002.

It is an interprime number because it is at equal distance from previous prime (20003505013979) and next prime (20003505014041).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3424521 + ... + 7192659.

It is an arithmetic number, because the mean of its divisors is an integer number (454166377920).

Almost surely, 2^{20003505014010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003505014010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29066648186880).

20003505014010 is an abundant number, since it is smaller than the sum of its proper divisors (38129791359750).

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

20003505014010 is a wasteful number, since it uses less digits than its factorization.

20003505014010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769660.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 20003505014010 its reverse (1041050530002), we get a palindrome (21044555544012).

The spelling of 20003505014010 in words is "twenty trillion, three billion, five hundred five million, fourteen thousand, ten".