1020023432120 has 192 divisors, whose sum is σ = 3052633832640. Its totient is φ = 299227484160.

The previous prime is 1020023432107. The next prime is 1020023432161. The reversal of 1020023432120 is 212343200201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1020023432092 and 1020023432101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309539 + ... + 1461458.

It is an arithmetic number, because the mean of its divisors is an integer number (15899134545).

Almost surely, 2^{1020023432120} is an apocalyptic number.

1020023432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020023432120 is an abundant number, since it is smaller than the sum of its proper divisors (2032610400520).

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

1020023432120 is a wasteful number, since it uses less digits than its factorization.

1020023432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771054 (or 1771039 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1020023432120 its reverse (212343200201), we get a palindrome (1232366632321).

The spelling of 1020023432120 in words is "one trillion, twenty billion, twenty-three million, four hundred thirty-two thousand, one hundred twenty".