1202020429 has 2 divisors, whose sum is σ = 1202020430. Its totient is φ = 1202020428.

The previous prime is 1202020423. The next prime is 1202020451. The reversal of 1202020429 is 9240202021.

It is an a-pointer prime, because the next prime (1202020451) can be obtained adding 1202020429 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012957929 + 189062500 = 31827^2 + 13750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202020429 - 2⁵ = 1202020397 is a prime.

It is a super-2 number, since 2×1202020429² = 2889706223466688082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202020423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601010214 + 601010215.

It is an arithmetic number, because the mean of its divisors is an integer number (601010215).

Almost surely, 2^1202020429 is an apocalyptic number.

It is an amenable number.

1202020429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202020429 is an equidigital number, since it uses as much as digits as its factorization.

1202020429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1202020429 is about 34670.1662672679. The cubic root of 1202020429 is about 1063.2546309437.

The spelling of 1202020429 in words is "one billion, two hundred two million, twenty thousand, four hundred twenty-nine".