103023121020 has 48 divisors (see below), whose sum is σ = 289537143840. Its totient is φ = 27370698496.

The previous prime is 103023120971. The next prime is 103023121021. The reversal of 103023121020 is 20121320301.

It is a super-2 number, since 2×103023121020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023121021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175407 + ... + 3207686.

It is an arithmetic number, because the mean of its divisors is an integer number (6032023830).

Almost surely, 2^103023121020 is an apocalyptic number.

103023121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103023121020 is an abundant number, since it is smaller than the sum of its proper divisors (186514022820).

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

103023121020 is a wasteful number, since it uses less digits than its factorization.

103023121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383374 (or 6383372 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103023121020 its reverse (20121320301), we get a palindrome (123144441321).

The spelling of 103023121020 in words is "one hundred three billion, twenty-three million, one hundred twenty-one thousand, twenty".