1020010402 has 16 divisors (see below), whose sum is σ = 1636948800. Its totient is φ = 475241040.

The previous prime is 1020010393. The next prime is 1020010441. The reversal of 1020010402 is 2040100201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217702 + ... + 222337.

It is an arithmetic number, because the mean of its divisors is an integer number (102309300).

Almost surely, 2^1020010402 is an apocalyptic number.

1020010402 is a deficient number, since it is larger than the sum of its proper divisors (616938398).

1020010402 is a wasteful number, since it uses less digits than its factorization.

1020010402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440121.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020010402 is about 31937.6016945543. The cubic root of 1020010402 is about 1006.6261314078.

Adding to 1020010402 its reverse (2040100201), we get a palindrome (3060110603).

It can be divided in two parts, 10200 and 10402, that added together give a palindrome (20602).

The spelling of 1020010402 in words is "one billion, twenty million, ten thousand, four hundred two".