2020123502 has 4 divisors (see below), whose sum is σ = 3030185256. Its totient is φ = 1010061750.

The previous prime is 2020123493. The next prime is 2020123507. The reversal of 2020123502 is 2053210202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020123507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505030874 + ... + 505030877.

It is an arithmetic number, because the mean of its divisors is an integer number (757546314).

Almost surely, 2^2020123502 is an apocalyptic number.

2020123502 is a deficient number, since it is larger than the sum of its proper divisors (1010061754).

2020123502 is a wasteful number, since it uses less digits than its factorization.

2020123502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010061753.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2020123502 is about 44945.7840292057. The cubic root of 2020123502 is about 1264.1326266693.

Adding to 2020123502 its reverse (2053210202), we get a palindrome (4073333704).

The spelling of 2020123502 in words is "two billion, twenty million, one hundred twenty-three thousand, five hundred two".