1020101010 has 32 divisors (see below), whose sum is σ = 2472489792. Its totient is φ = 269332800.

The previous prime is 1020101003. The next prime is 1020101021. The reversal of 1020101010 is 101010201.

It is a Harshad number since it is a multiple of its sum of digits (6).

1020101010 is a modest number, since divided by 101010 gives 1020 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1020101010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165304 + ... + 171363.

It is an arithmetic number, because the mean of its divisors is an integer number (77265306).

Almost surely, 2^1020101010 is an apocalyptic number.

1020101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020101010 is an abundant number, since it is smaller than the sum of its proper divisors (1452388782).

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

1020101010 is a wasteful number, since it uses less digits than its factorization.

1020101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336778.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1020101010 is about 31939.0201790850. The cubic root of 1020101010 is about 1006.6559368816.

Adding to 1020101010 its reverse (101010201), we get a palindrome (1121111211).

The spelling of 1020101010 in words is "one billion, twenty million, one hundred one thousand, ten".