1020001202010 has 96 divisors (see below), whose sum is σ = 3190379736960. Its totient is φ = 220872438144.

The previous prime is 1020001202009. The next prime is 1020001202039. The reversal of 1020001202010 is 102021000201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1020001201983 and 1020001202001.

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, 42594597 + ... + 42618536.

It is an arithmetic number, because the mean of its divisors is an integer number (33233122260).

Almost surely, 2^{1020001202010} is an apocalyptic number.

1020001202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001202010 is an abundant number, since it is smaller than the sum of its proper divisors (2170378534950).

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

1020001202010 is a wasteful number, since it uses less digits than its factorization.

1020001202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85213172 (or 85213169 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1020001202010 its reverse (102021000201), we get a palindrome (1122022202211).

The spelling of 1020001202010 in words is "one trillion, twenty billion, one million, two hundred two thousand, ten".