3502145020 has 48 divisors (see below), whose sum is σ = 8281921536. Its totient is φ = 1232424000.

The previous prime is 3502144991. The next prime is 3502145029. The reversal of 3502145020 is 205412053.

It is a super-2 number, since 2×3502145020² = 24530039482221600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3502144982 and 3502145000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3502145029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249936 + ... + 263575.

It is an arithmetic number, because the mean of its divisors is an integer number (172540032).

Almost surely, 2^3502145020 is an apocalyptic number.

It is an amenable number.

3502145020 is an abundant number, since it is smaller than the sum of its proper divisors (4779776516).

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

3502145020 is a wasteful number, since it uses less digits than its factorization.

3502145020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513562 (or 513560 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3502145020 is about 59178.9237820358. The cubic root of 3502145020 is about 1518.6045913613.

Adding to 3502145020 its reverse (205412053), we get a palindrome (3707557073).

The spelling of 3502145020 in words is "three billion, five hundred two million, one hundred forty-five thousand, twenty".