1020012010 has 8 divisors (see below), whose sum is σ = 1836021636. Its totient is φ = 408004800.

The previous prime is 1020011999. The next prime is 1020012013. The reversal of 1020012010 is 102100201.

It can be written as a sum of positive squares in 2 ways, for example, as 992439009 + 27573001 = 31503^2 + 5251^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1020011984 and 1020012002.

It is not an unprimeable number, because it can be changed into a prime (1020012013) 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, 51000591 + ... + 51000610.

Almost surely, 2^1020012010 is an apocalyptic number.

1020012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020012010 is a deficient number, since it is larger than the sum of its proper divisors (816009626).

1020012010 is a wasteful number, since it uses less digits than its factorization.

1020012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102001208.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1020012010 is about 31937.6268686326. The cubic root of 1020012010 is about 1006.6266603743.

Adding to 1020012010 its reverse (102100201), we get a palindrome (1122112211).

The spelling of 1020012010 in words is "one billion, twenty million, twelve thousand, ten".