10420121610 has 64 divisors (see below), whose sum is σ = 29421532800. Its totient is φ = 2615245056.

The previous prime is 10420121599. The next prime is 10420121611. The reversal of 10420121610 is 1612102401.

10420121610 is a `hidden beast` number, since 1 + 0 + 42 + 0 + 12 + 1 + 610 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10420121611) 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, 1130500 + ... + 1139679.

It is an arithmetic number, because the mean of its divisors is an integer number (459711450).

Almost surely, 2^10420121610 is an apocalyptic number.

10420121610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10420121610 is an abundant number, since it is smaller than the sum of its proper divisors (19001411190).

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

10420121610 is a wasteful number, since it uses less digits than its factorization.

10420121610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270212 (or 2270206 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The spelling of 10420121610 in words is "ten billion, four hundred twenty million, one hundred twenty-one thousand, six hundred ten".