20004013502 has 8 divisors (see below), whose sum is σ = 32733840312. Its totient is φ = 9092733400.

The previous prime is 20004013493. The next prime is 20004013507. The reversal of 20004013502 is 20531040002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004013507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454636649 + ... + 454636692.

It is an arithmetic number, because the mean of its divisors is an integer number (4091730039).

Almost surely, 2^20004013502 is an apocalyptic number.

20004013502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20004013502 is a deficient number, since it is larger than the sum of its proper divisors (12729826810).

20004013502 is a wasteful number, since it uses less digits than its factorization.

20004013502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909273354.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 20004013502 its reverse (20531040002), we get a palindrome (40535053504).

The spelling of 20004013502 in words is "twenty billion, four million, thirteen thousand, five hundred two".