102023020 has 24 divisors (see below), whose sum is σ = 233725968. Its totient is φ = 37099200.

The previous prime is 102022993. The next prime is 102023021. The reversal of 102023020 is 20320201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 102022988 and 102023006.

It is not an unprimeable number, because it can be changed into a prime (102023021) 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, 231651 + ... + 232090.

It is an arithmetic number, because the mean of its divisors is an integer number (9738582).

Almost surely, 2^102023020 is an apocalyptic number.

102023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102023020 is an abundant number, since it is smaller than the sum of its proper divisors (131702948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102023020 is a wasteful number, since it uses less digits than its factorization.

102023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463761 (or 463759 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102023020 is about 10100.6445338899. The cubic root of 102023020 is about 467.2680195404.

Adding to 102023020 its reverse (20320201), we get a palindrome (122343221).

The spelling of 102023020 in words is "one hundred two million, twenty-three thousand, twenty".