139069281202020 has 288 divisors, whose sum is σ = 481032421964640. Its totient is φ = 32217672499200.

The previous prime is 139069281201959. The next prime is 139069281202057. The reversal of 139069281202020 is 20202182960931.

139069281202020 is a `hidden beast` number, since 1 + 3 + 90 + 69 + 281 + 20 + 202 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 12207309258816 + 126861971943204 = 3493896^2 + 11263302^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2176292070 + ... + 2176355970.

It is an arithmetic number, because the mean of its divisors is an integer number (1670251465155).

Almost surely, 2^{139069281202020} is an apocalyptic number.

139069281202020 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 139069281202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240516210982320).

139069281202020 is an abundant number, since it is smaller than the sum of its proper divisors (341963140762620).

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

139069281202020 is a wasteful number, since it uses less digits than its factorization.

139069281202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118655 (or 118650 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 139069281202020 in words is "one hundred thirty-nine trillion, sixty-nine billion, two hundred eighty-one million, two hundred two thousand, twenty".