10000019970 has 64 divisors (see below), whose sum is σ = 27387469440. Its totient is φ = 2594597184.

The previous prime is 10000019969. The next prime is 10000019977. The reversal of 10000019970 is 7991000001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10000019977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490512 + ... + 510491.

It is an arithmetic number, because the mean of its divisors is an integer number (427929210).

Almost surely, 2^10000019970 is an apocalyptic number.

10000019970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10000019970 is an abundant number, since it is smaller than the sum of its proper divisors (17387449470).

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

10000019970 is a wasteful number, since it uses less digits than its factorization.

10000019970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001056 (or 1001050 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

Adding to 10000019970 its reverse (7991000001), we get a palindrome (17991019971).

The spelling of 10000019970 in words is "ten billion, nineteen thousand, nine hundred seventy".