1020202023 has 8 divisors (see below), whose sum is σ = 1360788208. Its totient is φ = 679875264.

The previous prime is 1020202019. The next prime is 1020202039. The reversal of 1020202023 is 3202020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020202023 - 2² = 1020202019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020202423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55486 + ... + 71547.

It is an arithmetic number, because the mean of its divisors is an integer number (170098526).

Almost surely, 2^1020202023 is an apocalyptic number.

1020202023 is a deficient number, since it is larger than the sum of its proper divisors (340586185).

1020202023 is a wasteful number, since it uses less digits than its factorization.

1020202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129713.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1020202023 is about 31940.6014815000. The cubic root of 1020202023 is about 1006.6891629964.

Adding to 1020202023 its reverse (3202020201), we get a palindrome (4222222224).

The spelling of 1020202023 in words is "one billion, twenty million, two hundred two thousand, twenty-three".