1502136020 has 96 divisors (see below), whose sum is σ = 3982970880. Its totient is φ = 462234240.

The previous prime is 1502136001. The next prime is 1502136043. The reversal of 1502136020 is 206312051.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1502135983 and 1502136001.

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, 115487 + ... + 127833.

It is an arithmetic number, because the mean of its divisors is an integer number (41489280).

Almost surely, 2^1502136020 is an apocalyptic number.

1502136020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1502136020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991485440).

1502136020 is an abundant number, since it is smaller than the sum of its proper divisors (2480834860).

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

1502136020 is a wasteful number, since it uses less digits than its factorization.

1502136020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12453 (or 12451 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1502136020 is about 38757.3995515695. The cubic root of 1502136020 is about 1145.2573476200.

Adding to 1502136020 its reverse (206312051), we get a palindrome (1708448071).

The spelling of 1502136020 in words is "one billion, five hundred two million, one hundred thirty-six thousand, twenty".