1020023200100 has 36 divisors (see below), whose sum is σ = 2214059726004. Its totient is φ = 407896951680.

The previous prime is 1020023200073. The next prime is 1020023200127. The reversal of 1020023200100 is 10023200201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020023200073) and next prime (1020023200127).

It can be written as a sum of positive squares in 6 ways, for example, as 272216801536 + 747806398564 = 521744^2 + 864758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038587 + ... + 1765986.

Almost surely, 2^{1020023200100} is an apocalyptic number.

1020023200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020023200100 is an abundant number, since it is smaller than the sum of its proper divisors (1194036525904).

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

1020023200100 is a wasteful number, since it uses less digits than its factorization.

1020023200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808224 (or 2808217 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1020023200100 its reverse (10023200201), we get a palindrome (1030046400301).

The spelling of 1020023200100 in words is "one trillion, twenty billion, twenty-three million, two hundred thousand, one hundred".