10202001040 has 80 divisors (see below), whose sum is σ = 29572571520. Its totient is φ = 3179842560.

The previous prime is 10202000993. The next prime is 10202001041. The reversal of 10202001040 is 4010020201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10202001040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10202001041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821925 + ... + 834244.

It is an arithmetic number, because the mean of its divisors is an integer number (369657144).

Almost surely, 2^10202001040 is an apocalyptic number.

10202001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202001040 is an abundant number, since it is smaller than the sum of its proper divisors (19370570480).

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

10202001040 is a wasteful number, since it uses less digits than its factorization.

10202001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656200 (or 1656194 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10202001040 its reverse (4010020201), we get a palindrome (14212021241).

The spelling of 10202001040 in words is "ten billion, two hundred two million, one thousand, forty".