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1020232021 = 12718144383
BaseRepresentation
bin111100110011111…
…000000101010101
32122002202011020011
4330303320011111
54042134411041
6245123040221
734165554244
oct7463700525
92562664204
101020232021
11483992466
12245810071
131334a20b3
14996d695b
155e87ae81
hex3ccf8155

1020232021 has 8 divisors (see below), whose sum is σ = 1033969664. Its totient is φ = 1006583760.

The previous prime is 1020232019. The next prime is 1020232027. The reversal of 1020232021 is 1202320201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020232021 - 21 = 1020232019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020231992 and 1020232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020232027) 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, 796 + ... + 45178.

It is an arithmetic number, because the mean of its divisors is an integer number (129246208).

Almost surely, 21020232021 is an apocalyptic number.

It is an amenable number.

1020232021 is a deficient number, since it is larger than the sum of its proper divisors (13737643).

1020232021 is a wasteful number, since it uses less digits than its factorization.

1020232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44691.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020232021 is about 31941.0710684535. The cubic root of 1020232021 is about 1006.6990297891.

Adding to 1020232021 its reverse (1202320201), we get a palindrome (2222552222).

The spelling of 1020232021 in words is "one billion, twenty million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 127 181 22987 44383 5636641 8033323 1020232021