1012020010 has 32 divisors (see below), whose sum is σ = 1902683520. Its totient is φ = 386831808.

The previous prime is 1012019993. The next prime is 1012020019. The reversal of 1012020010 is 100202101.

It is a junction number, because it is equal to n+sod(n) for n = 1012019975 and 1012020002.

It is not an unprimeable number, because it can be changed into a prime (1012020019) 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, 397321 + ... + 399859.

It is an arithmetic number, because the mean of its divisors is an integer number (59458860).

Almost surely, 2^1012020010 is an apocalyptic number.

1012020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012020010 is a deficient number, since it is larger than the sum of its proper divisors (890663510).

1012020010 is a wasteful number, since it uses less digits than its factorization.

1012020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302.

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

The square root of 1012020010 is about 31812.2619440995. The cubic root of 1012020010 is about 1003.9907229451.

Adding to 1012020010 its reverse (100202101), we get a palindrome (1112222111).

The spelling of 1012020010 in words is "one billion, twelve million, twenty thousand, ten".