102206154362620 has 192 divisors, whose sum is σ = 270399916394496. Its totient is φ = 31522575237120.

The previous prime is 102206154362603. The next prime is 102206154362633. The reversal of 102206154362620 is 26263451602201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 907128409 + ... + 907241071.

It is an arithmetic number, because the mean of its divisors is an integer number (1408332897888).

Almost surely, 2^{102206154362620} is an apocalyptic number.

102206154362620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102206154362620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135199958197248).

102206154362620 is an abundant number, since it is smaller than the sum of its proper divisors (168193762031876).

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

102206154362620 is a wasteful number, since it uses less digits than its factorization.

102206154362620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118860 (or 118858 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 102206154362620 in words is "one hundred two trillion, two hundred six billion, one hundred fifty-four million, three hundred sixty-two thousand, six hundred twenty".