1002150620 has 12 divisors (see below), whose sum is σ = 2104516344. Its totient is φ = 400860240.

The previous prime is 1002150581. The next prime is 1002150631. The reversal of 1002150620 is 260512001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25053746 + ... + 25053785.

It is an arithmetic number, because the mean of its divisors is an integer number (175376362).

Almost surely, 2^1002150620 is an apocalyptic number.

1002150620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002150620 is an abundant number, since it is smaller than the sum of its proper divisors (1102365724).

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

1002150620 is a wasteful number, since it uses less digits than its factorization.

1002150620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50107540 (or 50107538 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1002150620 is about 31656.7626266490. The cubic root of 1002150620 is about 1000.7163600391.

Adding to 1002150620 its reverse (260512001), we get a palindrome (1262662621).

The spelling of 1002150620 in words is "one billion, two million, one hundred fifty thousand, six hundred twenty".