102692820 has 24 divisors (see below), whose sum is σ = 287540064. Its totient is φ = 27384736.

The previous prime is 102692819. The next prime is 102692827. The reversal of 102692820 is 28296201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102692827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855714 + ... + 855833.

It is an arithmetic number, because the mean of its divisors is an integer number (11980836).

Almost surely, 2^102692820 is an apocalyptic number.

102692820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102692820 is an abundant number, since it is smaller than the sum of its proper divisors (184847244).

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

102692820 is a wasteful number, since it uses less digits than its factorization.

102692820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711559 (or 1711557 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 102692820 is about 10133.7465924504. The cubic root of 102692820 is about 468.2883568830.

The spelling of 102692820 in words is "one hundred two million, six hundred ninety-two thousand, eight hundred twenty".