1020202413124 has 24 divisors (see below), whose sum is σ = 1847432948760. Its totient is φ = 492374233344.

The previous prime is 1020202413121. The next prime is 1020202413143. The reversal of 1020202413124 is 4213142020201.

It can be written as a sum of positive squares in 4 ways, for example, as 18541724224 + 1001660688900 = 136168^2 + 1000830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020202413095 and 1020202413104.

It is not an unprimeable number, because it can be changed into a prime (1020202413121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807099 + ... + 1640674.

It is an arithmetic number, because the mean of its divisors is an integer number (76976372865).

Almost surely, 2^{1020202413124} is an apocalyptic number.

It is an amenable number.

1020202413124 is a deficient number, since it is larger than the sum of its proper divisors (827230535636).

1020202413124 is a wasteful number, since it uses less digits than its factorization.

1020202413124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451399 (or 2451397 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1020202413124 its reverse (4213142020201), we get a palindrome (5233344433325).

The spelling of 1020202413124 in words is "one trillion, twenty billion, two hundred two million, four hundred thirteen thousand, one hundred twenty-four".