1023030120420 has 192 divisors, whose sum is σ = 3968116992000. Its totient is φ = 212577678720.

The previous prime is 1023030120401. The next prime is 1023030120449. The reversal of 1023030120420 is 240210303201.

1023030120420 is a `hidden beast` number, since 1 + 0 + 230 + 3 + 0 + 12 + 0 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1023030120393 and 1023030120402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12260370 + ... + 12343529.

It is an arithmetic number, because the mean of its divisors is an integer number (20667276000).

Almost surely, 2^{1023030120420} is an apocalyptic number.

1023030120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023030120420 is an abundant number, since it is smaller than the sum of its proper divisors (2945086871580).

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

1023030120420 is a wasteful number, since it uses less digits than its factorization.

1023030120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24603935 (or 24603927 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1023030120420 its reverse (240210303201), we get a palindrome (1263240423621).

The spelling of 1023030120420 in words is "one trillion, twenty-three billion, thirty million, one hundred twenty thousand, four hundred twenty".